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Web basics: use of html|css

高洛峰
Release: 2017-03-23 09:12:06
Original
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he quan ##连接

123

    段落   br换行 

123

   标题字体加大,到h6

hequan  内链标签

所有标签分为:

    块级标签: div(白板),H系列(加大加粗),p标签(段落和段落之间有间距)

    行内标签: span(白板)

标签之间可以嵌套

标签存在的意义,css操作,js操作

ps:chorme审查元素的使用

- 定位

- 查看样式

position: fixed;top:0; right: 0;">1
   属性

登录

action="http://localhost:8888/index" method="get">

    

    

    email"/>

    

提交后台的

    

        帐号:

      

 密码:

        

请选择性别

        男:

        女:

        

爱好

        篮球:

        足球:

        

技能

        写代码:

        搭服务:

        

上传文件

        file" name="fname">

    

# & LT; Textarea name = "Meno" & GT; shengfen" size="2" multiple="multiple" >

                                     <                             ="Submit">

- img

src alt

title

- List

ul

li

ol

li

dl

dt

dd

- Form

table

thead

tr th

tbody

tr

      td

colspan = ''

rowspan = ''

- label

Used to click the file so that the associated label gets the cursor

- fieldset ##Edge

legend

CSS

Set the style attribute on the label:

background-color

: #2459a2;

        

height

: 48px;

                                                                                                               Attribute 2. Write the style in the style tag in the head

- id selection area

Height: 48px;

#                                                            … Selector

                    div{

                        ...

                    }

                    所有div设置上此样式

            - 层级选择器(空格) ******

                  .c1 .c2 div{

                  }

            - 组合选择器(逗号) ******

                    #c1,.c2,div{

                  }

            - 属性选择器 ******

                  对选择到的标签再通过属性再进行一次筛选

                  .c1[n='alex']{ width:100px; height:200px; }

            PS:

                - 优先级,标签上style优先,编写顺序,就近原则

        2.5 css样式也可以写在单独文件中

            

        3、注释

            /*  */

        4、边框

            - 宽度,样式,颜色  (border: 4px dotted red;)

            - border-left

        5、

            height,        高度 百分比

            width,          宽度 像素,百分比

            text-align:ceter, 水平方向居中

            line-height,垂直方向根据标签高度

            color、    字体颜色

            font-size、 字体大小

            font-weight 字体加粗

        6、float

            让标签浪起来,块级标签也可以堆叠

            老子管不住:

                

clear: both;">

7.display

display: none; -- Make the label disappear

display: inline;

display: block ;

              display: inline-block;

# Margin

********************************************************************************************************************************************************************************* ## 行 :: Unable to set height, width, padding margin ## , width, padding margin 8. padding margin(0,auto)

Margin:

Inner margin

Outer margin

          

padding-top

:Self-internal margin

                                                                                                    < ">Bookmark this site

                                                                                                                                                               ##                                                                                                                                                    #

1

2

3

##floating

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