div 重叠
2021-01-12
<style>
#a {
width:200px;
height:200px;
background-color:#123;
position:relative;
display:inline-block;
}
#b {
width:200px;
height:50px;
background-color:#CCC;
position:absolute;
left:10px;
display:inline-block;
}
#c {
width:100px;
height:120px;
background-color:#f40;
display:inline-block;
}
</style>
<body>
<div id="a">
<div id="b">b</div>
<div id="c">c</div>
</div>
</body>
