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CSS盒模型边框设置：border: 1px solid red(像素 样式 颜色 )，border-bottom:1px dotted #ccc_html/css_WEB-ITnose

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Release： 2016-06-24 11:52:10
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盒模型--边框（一）

盒子模型的边框就是围绕着内容及补白的线，这条线你可以设置它的粗细、样式和颜色(边框三个属性)。

如下面代码为div来设置边框粗细为2px、样式为实心的、颜色为红色的边框：

div{    border:2px  solid  red;}
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上面是border代码的缩写形式，可以分开写：

div{    border-width:2px;    border-style:solid;    border-color:red;}
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注意：

1、border-style（边框样式）常见样式有：

dashed（虚线）| dotted（点线）| solid（实线）。


2、border-color（边框颜色）中的颜色可设置为十六进制颜色，如:

border-color:#888;//前面的井号不要忘掉。
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3、border-width（边框宽度）中的宽度也可以设置为：

thin | medium | thick（但不是很常用），最常还是用象素（px）。

盒模型--边框（二）

现在有一个问题，如果有想为p标签单独设置下边框，而其它三边都不设置边框样式怎么办呢？css样式中允许只为一个方向的边框设置样式：

div{<strong>border-bottom</strong>:1px solid red;}
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同样可以使用下面代码实现其它三边上、右、左边框的设置：

border-top:1px solid red;border-right:1px solid red; border-left:1px solid red;
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Related labels：
CSS盒模型边框设置：border: 1px solid red(像素 样式 颜色 )，border-bottom:1p
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