Table of Contents
一、通过border属性:
二、 CSS3 transfrom
三、特殊字符'♦' 
小结: 
Home Web Front-end HTML Tutorial 带箭头提示框总结实例

带箭头提示框总结实例

Jun 16, 2016 am 08:39 AM

 

无论是提示框还是导航栏都能看到如上图所示的带有箭头的框框,这种箭头可以通过背景图片或者是css来实现,本文介绍三种通过css实现带箭头的提示框。

  1. 通过border属性
    思路:两个三角形,通过定位使两个三角形相差1px作为边框。
  2. CSS3 transfrom
    思路:先做一个两条边相同颜色的正方形,然后旋转一定角度就是三角形了
  3. 特殊字符'♦'
    思路:特殊字符漏出上半部分,看上去就像三角形了

一、通过border属性:

我们先做一个宽和高都是10px的div,边框也是10px,

<span style="color: #008080;">1</span> <span style="color: #800000;">width: 10px;
</span><span style="color: #008080;">2</span> <span style="color: #800000;">height: 10px;
</span><span style="color: #008080;">3</span> <span style="color: #800000;">border: 10px solid;
</span><span style="color: #008080;">4</span> <span style="color: #800000;">border-color: red green yellow blue; </span>
Copy after login

如下图:

图中间空白是我们设置的宽和高,如果设置为0px,会出现什么情况呢?,如下图:

 

这时候我们就可以通过设置它的左右和下边框的颜色都设成透明或和背景颜色相同的颜色,就出来我们想要的三角形了。如下图:

 现在我们来实现第一幅图上的效果:

css:

复制代码
<span style="color: #008080;"> 1</span> <span style="color: #800000;">.info </span>{
<span style="color: #008080;"> 2</span> <span style="color: #ff0000;">        margin-top</span>:<span style="color: #0000ff;"> 50px</span>;
<span style="color: #008080;"> 3</span> <span style="color: #ff0000;">        position</span>:<span style="color: #0000ff;">relative</span>;
<span style="color: #008080;"> 4</span> <span style="color: #ff0000;">        width</span>:<span style="color: #0000ff;">200px</span>;
<span style="color: #008080;"> 5</span> <span style="color: #ff0000;">        height</span>:<span style="color: #0000ff;">50px</span>;
<span style="color: #008080;"> 6</span> <span style="color: #ff0000;">        line-height</span>:<span style="color: #0000ff;">60px</span>;
<span style="color: #008080;"> 7</span> <span style="color: #ff0000;">        background</span>:<span style="color: #0000ff;">#F6F1B3</span>;
<span style="color: #008080;"> 8</span> <span style="color: #ff0000;">        box-shadow</span>:<span style="color: #0000ff;">1px 2px 3px #E9D985</span>;
<span style="color: #008080;"> 9</span> <span style="color: #ff0000;">        border</span>:<span style="color: #0000ff;">1px solid #DACE7C</span>;
<span style="color: #008080;">10</span> <span style="color: #ff0000;">        border-radius</span>:<span style="color: #0000ff;">4px</span>;
<span style="color: #008080;">11</span> <span style="color: #ff0000;">        text-align</span>:<span style="color: #0000ff;">center</span>;
<span style="color: #008080;">12</span> <span style="color: #ff0000;">        color</span>:<span style="color: #0000ff;">red</span>;
<span style="color: #008080;">13</span>     }
<span style="color: #008080;">14</span> <span style="color: #800000;">    .nav </span>{
<span style="color: #008080;">15</span> <span style="color: #ff0000;">        position</span>:<span style="color: #0000ff;">absolute</span>;
<span style="color: #008080;">16</span> <span style="color: #ff0000;">        left</span>:<span style="color: #0000ff;">30px</span>;
<span style="color: #008080;">17</span> <span style="color: #ff0000;">        overflow</span>:<span style="color: #0000ff;">hidden</span>;
<span style="color: #008080;">18</span> <span style="color: #ff0000;">        width</span>:<span style="color: #0000ff;">0</span>;
<span style="color: #008080;">19</span> <span style="color: #ff0000;">        height</span>:<span style="color: #0000ff;">0</span>;
<span style="color: #008080;">20</span> <span style="color: #ff0000;">        border-width</span>:<span style="color: #0000ff;">10px</span>;
<span style="color: #008080;">21</span> <span style="color: #ff0000;">        border-style</span>:<span style="color: #0000ff;">solid dashed dashed dashed</span>;
<span style="color: #008080;">22</span>     }
<span style="color: #008080;">23</span> <span style="color: #800000;">    .nav-border </span>{
<span style="color: #008080;">24</span> <span style="color: #ff0000;">        top</span>:<span style="color: #0000ff;">-20px</span>;
<span style="color: #008080;">25</span> <span style="color: #ff0000;">        border-color</span>:<span style="color: #0000ff;">transparent transparent #DACE7C transparent</span>;
<span style="color: #008080;">26</span>     }
<span style="color: #008080;">27</span> <span style="color: #800000;">    .nav-background </span>{
<span style="color: #008080;">28</span> <span style="color: #ff0000;">        top</span>:<span style="color: #0000ff;">-19px</span>;
<span style="color: #008080;">29</span> <span style="color: #ff0000;">        border-color</span>:<span style="color: #0000ff;">transparent transparent #F6F1B3 transparent</span>;
<span style="color: #008080;">30</span>     }
Copy after login
复制代码

 

 html:

<span style="color: #008080;">1</span> <span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="info"</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">2</span>     <span style="color: #0000ff;"><span style="color: #800000;">span</span><span style="color: #0000ff;">></span>提示信息<span style="color: #0000ff;"></span><span style="color: #800000;">span</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">3</span>     <span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="nav nav-border"</span><span style="color: #0000ff;">></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">4</span>     <span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="nav nav-background"</span><span style="color: #0000ff;">></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">5</span> <span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span></span></span></span></span>
Copy after login

 

二、 CSS3 transfrom

我们首先制作一个两条相邻的边框颜色相同,其他两条边边框为0px的div方框。如图:

在将方框旋转45度就可以实现三角提示效果了。

css:

复制代码
<span style="color: #008080;"> 1</span> <span style="color: #800000;">.info </span>{
<span style="color: #008080;"> 2</span> <span style="color: #ff0000;">        margin-top    </span>:<span style="color: #0000ff;"> 50px</span>;
<span style="color: #008080;"> 3</span> <span style="color: #ff0000;">        position      </span>:<span style="color: #0000ff;">relative</span>;
<span style="color: #008080;"> 4</span> <span style="color: #ff0000;">        width         </span>:<span style="color: #0000ff;">200px</span>;
<span style="color: #008080;"> 5</span> <span style="color: #ff0000;">        height        </span>:<span style="color: #0000ff;">50px</span>;
<span style="color: #008080;"> 6</span> <span style="color: #ff0000;">        line-height   </span>:<span style="color: #0000ff;">60px</span>;
<span style="color: #008080;"> 7</span> <span style="color: #ff0000;">        background    </span>:<span style="color: #0000ff;">#F6F1B3</span>;
<span style="color: #008080;"> 8</span> <span style="color: #ff0000;">        box-shadow    </span>:<span style="color: #0000ff;">1px 2px 3px #E9D985</span>;
<span style="color: #008080;"> 9</span> <span style="color: #ff0000;">        border        </span>:<span style="color: #0000ff;">1px solid #DACE7C</span>;
<span style="color: #008080;">10</span> <span style="color: #ff0000;">        border-radius </span>:<span style="color: #0000ff;">4px</span>;
<span style="color: #008080;">11</span> <span style="color: #ff0000;">        text-align    </span>:<span style="color: #0000ff;">center</span>;
<span style="color: #008080;">12</span> <span style="color: #ff0000;">        color         </span>:<span style="color: #0000ff;">red</span>;
<span style="color: #008080;">13</span>     }
<span style="color: #008080;">14</span> <span style="color: #800000;">    .nav </span>{
<span style="color: #008080;">15</span> <span style="color: #ff0000;">        position          </span>:<span style="color: #0000ff;">absolute</span>;
<span style="color: #008080;">16</span> <span style="color: #ff0000;">        top               </span>:<span style="color: #0000ff;">-8px</span>;
<span style="color: #008080;">17</span> <span style="color: #ff0000;">        left              </span>:<span style="color: #0000ff;">30px</span>;
<span style="color: #008080;">18</span> <span style="color: #ff0000;">        overflow          </span>:<span style="color: #0000ff;">hidden</span>;
<span style="color: #008080;">19</span> <span style="color: #ff0000;">        width             </span>:<span style="color: #0000ff;">13px</span>;
<span style="color: #008080;">20</span> <span style="color: #ff0000;">        height            </span>:<span style="color: #0000ff;">13px</span>;
<span style="color: #008080;">21</span> <span style="color: #ff0000;">        background        </span>:<span style="color: #0000ff;">#F6F1B3</span>;
<span style="color: #008080;">22</span> <span style="color: #ff0000;">        border-left       </span>:<span style="color: #0000ff;">1px solid #DACE7C</span>;
<span style="color: #008080;">23</span> <span style="color: #ff0000;">        border-top        </span>:<span style="color: #0000ff;">1px solid #DACE7C</span>;
<span style="color: #008080;">24</span> <span style="color: #ff0000;">        -webkit-transform </span>:<span style="color: #0000ff;">rotate(45deg)</span>;
<span style="color: #008080;">25</span> <span style="color: #ff0000;">        -moz-transform    </span>:<span style="color: #0000ff;">rotate(45deg)</span>;
<span style="color: #008080;">26</span> <span style="color: #ff0000;">        -o-transform      </span>:<span style="color: #0000ff;">rotate(45deg)</span>;
<span style="color: #008080;">27</span> <span style="color: #ff0000;">        transform         </span>:<span style="color: #0000ff;">rotate(45deg)</span>;
<span style="color: #008080;">28</span>     }
Copy after login
复制代码

 

html:

<span style="color: #008080;">1</span> <span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="info"</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">2</span>     <span style="color: #0000ff;"><span style="color: #800000;">span</span><span style="color: #0000ff;">></span>提示信息<span style="color: #0000ff;"></span><span style="color: #800000;">span</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">3</span>     <span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="nav"</span><span style="color: #0000ff;">></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">4</span> <span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span></span></span></span>
Copy after login

 

三、特殊字符'♦' 

 '♦'是一个特殊字符,也就相当于一个字,所以大小是通过font-size来设置,实现第一幅图的效果:

css:

复制代码
<span style="color: #008080;"> 1</span> <span style="color: #800000;">.info </span>{
<span style="color: #008080;"> 2</span> <span style="color: #ff0000;">        margin-top</span>:<span style="color: #0000ff;"> 50px</span>;
<span style="color: #008080;"> 3</span> <span style="color: #ff0000;">        position</span>:<span style="color: #0000ff;">relative</span>;
<span style="color: #008080;"> 4</span> <span style="color: #ff0000;">        width</span>:<span style="color: #0000ff;">200px</span>;
<span style="color: #008080;"> 5</span> <span style="color: #ff0000;">        height</span>:<span style="color: #0000ff;">50px</span>;
<span style="color: #008080;"> 6</span> <span style="color: #ff0000;">        line-height</span>:<span style="color: #0000ff;">60px</span>;
<span style="color: #008080;"> 7</span> <span style="color: #ff0000;">        background</span>:<span style="color: #0000ff;">#F6F1B3</span>;
<span style="color: #008080;"> 8</span> <span style="color: #ff0000;">        box-shadow</span>:<span style="color: #0000ff;">1px 2px 3px #E9D985</span>;
<span style="color: #008080;"> 9</span> <span style="color: #ff0000;">        border</span>:<span style="color: #0000ff;">1px solid #DACE7C</span>;
<span style="color: #008080;">10</span> <span style="color: #ff0000;">        border-radius</span>:<span style="color: #0000ff;">4px</span>;
<span style="color: #008080;">11</span> <span style="color: #ff0000;">        text-align</span>:<span style="color: #0000ff;">center</span>;
<span style="color: #008080;">12</span> <span style="color: #ff0000;">        color</span>:<span style="color: #0000ff;">red</span>;
<span style="color: #008080;">13</span>     }
<span style="color: #008080;">14</span> <span style="color: #800000;">    .nav </span>{
<span style="color: #008080;">15</span> <span style="color: #ff0000;">        position</span>:<span style="color: #0000ff;">absolute</span>;
<span style="color: #008080;">16</span> <span style="color: #ff0000;">        left</span>:<span style="color: #0000ff;">30px</span>;
<span style="color: #008080;">17</span> <span style="color: #ff0000;">        overflow</span>:<span style="color: #0000ff;">hidden</span>;
<span style="color: #008080;">18</span> <span style="color: #ff0000;">        width</span>:<span style="color: #0000ff;">24px</span>;
<span style="color: #008080;">19</span> <span style="color: #ff0000;">        height</span>:<span style="color: #0000ff;">24px</span>;
<span style="color: #008080;">20</span> <span style="color: #ff0000;">        font</span>:<span style="color: #0000ff;">normal 24px "微软雅黑"</span>;
<span style="color: #008080;">21</span>     }
<span style="color: #008080;">22</span> <span style="color: #800000;">    .nav-border </span>{
<span style="color: #008080;">23</span> <span style="color: #ff0000;">        top</span>:<span style="color: #0000ff;">-17px</span>;
<span style="color: #008080;">24</span> <span style="color: #ff0000;">        color</span>:<span style="color: #0000ff;">#DACE7C</span>;
<span style="color: #008080;">25</span>     }
<span style="color: #008080;">26</span> <span style="color: #800000;">    .nav-background </span>{
<span style="color: #008080;">27</span> <span style="color: #ff0000;">        top</span>:<span style="color: #0000ff;">-16px</span>;
<span style="color: #008080;">28</span> <span style="color: #ff0000;">        color</span>:<span style="color: #0000ff;">#F6F1B3</span>;
<span style="color: #008080;">29</span>     }
Copy after login
复制代码

 

html:

<span style="color: #008080;">1</span> <span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="info"</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">2</span>     <span style="color: #0000ff;"><span style="color: #800000;">span</span><span style="color: #0000ff;">></span>提示信息<span style="color: #0000ff;"></span><span style="color: #800000;">span</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">3</span>     <span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="nav nav-border"</span><span style="color: #0000ff;">></span>♦<span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">4</span>     <span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="nav nav-background"</span><span style="color: #0000ff;">></span>♦<span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">5</span> <span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span></span></span></span></span>
Copy after login

 

 

 

下面是一个兼容IE5.5+,chrome,Firfox等浏览器的一个demo,如果你有用到可以直接考到自己的项目中。

复制代码
<span style="color: #008080;"> 1</span> <span style="color: #0000ff;"><span style="color: #ff00ff;">DOCTYPE html</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 2</span> <span style="color: #0000ff;"><span style="color: #800000;">html</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 3</span> <span style="color: #0000ff;"><span style="color: #800000;">head</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 4</span>  <span style="color: #0000ff;"><span style="color: #800000;">title</span><span style="color: #0000ff;">></span><span style="color: #800000;">title</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 5</span>  <span style="color: #0000ff;"><span style="color: #800000;">meta </span><span style="color: #ff0000;">http-equiv</span><span style="color: #0000ff;">="Content-Type"</span><span style="color: #ff0000;"> content</span><span style="color: #0000ff;">="text/html;charset=utf-8"</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 6</span>  <span style="color: #0000ff;"><span style="color: #800000;">style</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 7</span> <span style="background-color: #f5f5f5; color: #800000;">  div.container</span><span style="background-color: #f5f5f5; color: #000000;">{</span>
<span style="color: #008080;"> 8</span> <span style="background-color: #f5f5f5; color: #ff0000;">        position         </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">absolute</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;"> 9</span> <span style="background-color: #f5f5f5; color: #ff0000;">        top              </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">30px</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">10</span> <span style="background-color: #f5f5f5; color: #ff0000;">        left             </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">40px</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">11</span> <span style="background-color: #f5f5f5; color: #ff0000;">        font-size        </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> 9pt</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">12</span> <span style="background-color: #f5f5f5; color: #ff0000;">        display          </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">block</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">13</span> <span style="background-color: #f5f5f5; color: #ff0000;">        height           </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">100px</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">14</span> <span style="background-color: #f5f5f5; color: #ff0000;">        width            </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">200px</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">15</span> <span style="background-color: #f5f5f5; color: #ff0000;">        background-color </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">transparent</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">16</span> <span style="background-color: #f5f5f5; color: #ff0000;">        *border          </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">1px solid #666</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">17</span>     <span style="background-color: #f5f5f5; color: #000000;">}</span> 
<span style="color: #008080;">18</span> <span style="background-color: #f5f5f5; color: #800000;">    s</span><span style="background-color: #f5f5f5; color: #000000;">{</span> 
<span style="color: #008080;">19</span> <span style="background-color: #f5f5f5; color: #ff0000;">        position     </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">absolute</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">20</span> <span style="background-color: #f5f5f5; color: #ff0000;">        top          </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">-20px</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">21</span> <span style="background-color: #f5f5f5; color: #ff0000;">        *top         </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">-22px</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">22</span> <span style="background-color: #f5f5f5; color: #ff0000;">        left         </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">20px</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">23</span> <span style="background-color: #f5f5f5; color: #ff0000;">        display      </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">block</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">24</span> <span style="background-color: #f5f5f5; color: #ff0000;">        height       </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">0</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">25</span> <span style="background-color: #f5f5f5; color: #ff0000;">        width        </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">0</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">26</span> <span style="background-color: #f5f5f5; color: #ff0000;">        font-size    </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> 0</span><span style="background-color: #f5f5f5; color: #000000;">;</span>  
<span style="color: #008080;">27</span> <span style="background-color: #f5f5f5; color: #ff0000;">        line-height  </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> 0</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">28</span> <span style="background-color: #f5f5f5; color: #ff0000;">        border-color </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">transparent transparent #666 transparent</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">29</span> <span style="background-color: #f5f5f5; color: #ff0000;">        border-style </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">dashed dashed solid dashed</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">30</span> <span style="background-color: #f5f5f5; color: #ff0000;">        border-width </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">10px</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">31</span>     <span style="background-color: #f5f5f5; color: #000000;">}</span> 
<span style="color: #008080;">32</span> <span style="background-color: #f5f5f5; color: #800000;">    i</span><span style="background-color: #f5f5f5; color: #000000;">{</span>
<span style="color: #008080;">33</span> <span style="background-color: #f5f5f5; color: #ff0000;">        position     </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">absolute</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">34</span> <span style="background-color: #f5f5f5; color: #ff0000;">        top          </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">-9px</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">35</span> <span style="background-color: #f5f5f5; color: #ff0000;">        *top         </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">-9px</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">36</span> <span style="background-color: #f5f5f5; color: #ff0000;">        left         </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">-10px</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">37</span> <span style="background-color: #f5f5f5; color: #ff0000;">        display      </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">block</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">38</span> <span style="background-color: #f5f5f5; color: #ff0000;">        height       </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">0</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">39</span> <span style="background-color: #f5f5f5; color: #ff0000;">        width        </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">0</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">40</span> <span style="background-color: #f5f5f5; color: #ff0000;">        font-size    </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> 0</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">41</span> <span style="background-color: #f5f5f5; color: #ff0000;">        line-height  </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> 0</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">42</span> <span style="background-color: #f5f5f5; color: #ff0000;">        border-color </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">transparent transparent #fff transparent</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">43</span> <span style="background-color: #f5f5f5; color: #ff0000;">        border-style </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">dashed dashed solid dashed</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">44</span> <span style="background-color: #f5f5f5; color: #ff0000;">        border-width </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">10px</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">45</span>     <span style="background-color: #f5f5f5; color: #000000;">}</span> 
<span style="color: #008080;">46</span> <span style="background-color: #f5f5f5; color: #800000;">    .content</span><span style="background-color: #f5f5f5; color: #000000;">{</span> 
<span style="color: #008080;">47</span> <span style="background-color: #f5f5f5; color: #ff0000;">        border                </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">1px solid #666</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">48</span> <span style="background-color: #f5f5f5; color: #ff0000;">        -moz-border-radius    </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">3px</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">49</span> <span style="background-color: #f5f5f5; color: #ff0000;">        -webkit-border-radius </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">3px</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">50</span> <span style="background-color: #f5f5f5; color: #ff0000;">        position              </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">absolute</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">51</span> <span style="background-color: #f5f5f5; color: #ff0000;">        background-color      </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">#fff</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">52</span> <span style="background-color: #f5f5f5; color: #ff0000;">        width                 </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">100%</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">53</span> <span style="background-color: #f5f5f5; color: #ff0000;">        height                </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">100%</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">54</span> <span style="background-color: #f5f5f5; color: #ff0000;">        padding               </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">5px</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">55</span> <span style="background-color: #f5f5f5; color: #ff0000;">        *top                  </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">-2px</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">56</span> <span style="background-color: #f5f5f5; color: #ff0000;">        *border-top           </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">1px solid #666</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">57</span> <span style="background-color: #f5f5f5; color: #ff0000;">        *border-top           </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">1px solid #666</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">58</span> <span style="background-color: #f5f5f5; color: #ff0000;">        *border-left          </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">none</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">59</span> <span style="background-color: #f5f5f5; color: #ff0000;">        *border-right         </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">none</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">60</span> <span style="background-color: #f5f5f5; color: #ff0000;">        *height               </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">102px</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">61</span> <span style="background-color: #f5f5f5; color: #ff0000;">        box-shadow            </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> 3px 3px 4px #999</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">62</span> <span style="background-color: #f5f5f5; color: #ff0000;">        -moz-box-shadow       </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> 3px 3px 4px #999</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">63</span> <span style="background-color: #f5f5f5; color: #ff0000;">        -webkit-box-shadow    </span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> 3px 3px 4px #999</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">64</span>         <span style="background-color: #f5f5f5; color: #008000;">/*</span><span style="background-color: #f5f5f5; color: #008000;"> For IE 5.5 - 7 </span><span style="background-color: #f5f5f5; color: #008000;">*/</span>
<span style="color: #008080;">65</span> <span style="background-color: #f5f5f5; color: #ff0000;">        filter</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> progid:DXImageTransform.Microsoft.Shadow(Strength=4, Direction=135, Color='#999999')</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">66</span>         <span style="background-color: #f5f5f5; color: #008000;">/*</span><span style="background-color: #f5f5f5; color: #008000;"> For IE 8 </span><span style="background-color: #f5f5f5; color: #008000;">*/</span> 
<span style="color: #008080;">67</span> <span style="background-color: #f5f5f5; color: #ff0000;">        -ms-filter</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> "progid:DXImageTransform.Microsoft.Shadow(Strength=4, Direction=135, Color='#999999')"</span><span style="background-color: #f5f5f5; color: #000000;">;</span>  
<span style="color: #008080;">68</span>     <span style="background-color: #f5f5f5; color: #000000;">}</span>
<span style="color: #008080;">69</span>  <span style="color: #0000ff;"></span><span style="color: #800000;">style</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">70</span> <span style="color: #0000ff;"></span><span style="color: #800000;">head</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">71</span> <span style="color: #0000ff;"><span style="color: #800000;">body</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">72</span> <span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="container"</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">73</span>         <span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="content"</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">74</span> <span style="color: #000000;">            hello world!
</span><span style="color: #008080;">75</span>         <span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">76</span>         <span style="color: #0000ff;"><span style="color: #800000;">s</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">77</span>             <span style="color: #0000ff;"><span style="color: #800000;">i</span><span style="color: #0000ff;">></span><span style="color: #800000;">i</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">78</span>         <span style="color: #0000ff;"></span><span style="color: #800000;">s</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">79</span>  <span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">80</span> <span style="color: #0000ff;"></span><span style="color: #800000;">body</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">81</span> <span style="color: #0000ff;"></span><span style="color: #800000;">html</span><span style="color: #0000ff;">></span></span></span></span></span></span></span></span></span></span></span></span>
Copy after login
复制代码

 

效果图:

小结: 

  带箭头的提示框给用户的交互带来很好的效果,本文介绍了三个方法,如果你还有其他方法可以@me,我会非常感激。希望本文能够对你有些帮助。

Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

AI Hentai Generator

AI Hentai Generator

Generate AI Hentai for free.

Hot Article

R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)
2 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
Repo: How To Revive Teammates
4 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
Hello Kitty Island Adventure: How To Get Giant Seeds
3 weeks ago By 尊渡假赌尊渡假赌尊渡假赌

Hot Tools

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

Difficulty in updating caching of official account web pages: How to avoid the old cache affecting the user experience after version update? Difficulty in updating caching of official account web pages: How to avoid the old cache affecting the user experience after version update? Mar 04, 2025 pm 12:32 PM

The official account web page update cache, this thing is simple and simple, and it is complicated enough to drink a pot of it. You worked hard to update the official account article, but the user still opened the old version. Who can bear the taste? In this article, let’s take a look at the twists and turns behind this and how to solve this problem gracefully. After reading it, you can easily deal with various caching problems, allowing your users to always experience the freshest content. Let’s talk about the basics first. To put it bluntly, in order to improve access speed, the browser or server stores some static resources (such as pictures, CSS, JS) or page content. Next time you access it, you can directly retrieve it from the cache without having to download it again, and it is naturally fast. But this thing is also a double-edged sword. The new version is online,

How do I use HTML5 form validation attributes to validate user input? How do I use HTML5 form validation attributes to validate user input? Mar 17, 2025 pm 12:27 PM

The article discusses using HTML5 form validation attributes like required, pattern, min, max, and length limits to validate user input directly in the browser.

How to efficiently add stroke effects to PNG images on web pages? How to efficiently add stroke effects to PNG images on web pages? Mar 04, 2025 pm 02:39 PM

This article demonstrates efficient PNG border addition to webpages using CSS. It argues that CSS offers superior performance compared to JavaScript or libraries, detailing how to adjust border width, style, and color for subtle or prominent effect

What are the best practices for cross-browser compatibility in HTML5? What are the best practices for cross-browser compatibility in HTML5? Mar 17, 2025 pm 12:20 PM

Article discusses best practices for ensuring HTML5 cross-browser compatibility, focusing on feature detection, progressive enhancement, and testing methods.

What is the purpose of the <datalist> element? What is the purpose of the <datalist> element? Mar 21, 2025 pm 12:33 PM

The article discusses the HTML &lt;datalist&gt; element, which enhances forms by providing autocomplete suggestions, improving user experience and reducing errors.Character count: 159

What is the purpose of the <progress> element? What is the purpose of the <progress> element? Mar 21, 2025 pm 12:34 PM

The article discusses the HTML &lt;progress&gt; element, its purpose, styling, and differences from the &lt;meter&gt; element. The main focus is on using &lt;progress&gt; for task completion and &lt;meter&gt; for stati

How do I use the HTML5 <time> element to represent dates and times semantically? How do I use the HTML5 <time> element to represent dates and times semantically? Mar 12, 2025 pm 04:05 PM

This article explains the HTML5 &lt;time&gt; element for semantic date/time representation. It emphasizes the importance of the datetime attribute for machine readability (ISO 8601 format) alongside human-readable text, boosting accessibilit

What is the purpose of the <meter> element? What is the purpose of the <meter> element? Mar 21, 2025 pm 12:35 PM

The article discusses the HTML &lt;meter&gt; element, used for displaying scalar or fractional values within a range, and its common applications in web development. It differentiates &lt;meter&gt; from &lt;progress&gt; and ex

See all articles