1.通过float left 和相对width实现
css三栏布局之float left与 相对width
.block1,.block2,.block3{
float:left;
width:32%;
height:50px;
border:1px dashed #F00;
margin:2px;
}
.block1{background-color:red;}
.block2{background-color:blue;}
.block3{background-color:#ffe6b8;}
block1
block2
block3
2.绝对定位,通过absolute 定位使其脱离文档流,可以自适应定义三栏宽度
三栏布局css之绝对定位
.left,.right{width: 200px;height: 200px; position: absolute;}
.left{left:10px;background-color: red;}
.right{right:10px;background-color: blue;}
.center{margin:2px 210px ;background-color: yellow;height: 200px; }
left
right
center
3.使用自身浮动,float left 和float right
三栏布局css之使用自身浮动
.left,.right{width: 200px;height: 200px;}
.left{float:left;background-color: red;}
.right{float:right;background-color: blue;}
.center{margin:2px 210px ;background-color: yellow;height: 200px; }
left
right
center
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