CSS中关于相对定位和绝对定位
style
body
{margin: 30px; font-size:9pt;}
.a, .b, .c, .d, .e
{
width: 100px;
height: 100px;
margin: 5 auto;
color: #fff;
background: #000;
}
.aa, .bb, .cc, .dd, .ee
{
top: 10px;
left: 10px;
width: 10px;
height: 10px;
overflow: hidden;
background: #F90;
}
.b, .d, .e
{position: relative;}
.cc, .dd, .ee
{position: absolute;}
/style
div class="a"
div class="aa"/div
A:均不设置postion，一般嵌套关系
/div
div class="b"
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2016-02-19
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