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1.弹性布局
<style>
.main {
display: flex;
justify-content: center;
height: 300px;
}
.left {
width: 200px;
height: 100%;
background-color: red;
}
.content {
flex: 1;
background-color: blue;
}
.right {
width: 200px;
height: 100%;
background-color: yellow;
}
</style>
<body>
<div class="main">
<div class="left"></div>
<div class="content"></div>
<div class="right"></div>
</div>
</body>
</html>
2.定位布局
<style>
.main{
position:relative;
}
.left {
width: 200px;
height: 200px;
background-color: red;
}
.content {
left: 200px;
right: 200px;
height: 200px;
background-color: yellow;
position: absolute;
}
.right {
width: 200px;
height: 200px;
background-color: green;
}
</style>
<body> <div class="main">
<div class="left"></div>
<div class="content"></div>
<div class="right"></div>
</div>
</body>
3.浮动布局
<style>
.left {
width: 200px;
height: 100%;
float:left;
background-color: red;
}
.content {
flex: 1;
background-color: blue;
}
.right {
width: 200px;
height: 100%;
float:right;
background-color: yellow;
}
</style>
<body>
<div class="left"></div>
<div class="content"></div>
<div class="right"></div>
</body>
</html>
`
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