两栏布局的方式左边定宽,右边自适应
实现方式
1 margin-left float
2 display: flex; flex: 1;
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<style>
/* 第一个 */
.left {
width: 200px;
height: 200px;
background-color: red;
float: left;
}
.right {
height: 200px;
margin-left: 200px;
background-color: rgb(21, 204, 113);
}
.box {
overflow: hidden;
}
/* 第二个 */
.boxs {
width: 100%;
height: 200px;
display: flex;
}
.lefts {
width: 200px;
height: 100%;
background-color: rgb(31, 190, 39);
}
.rights {
flex: 1;
background-color: aqua;
}
</style>
<body>
<!-- 第一个 -->
<div class="box">
<div class="left">
</div>
<div class="right">
</div>
</div>
<!-- 第二个 -->
<div class="boxs">
<div class="lefts">
</div>
<div class="rights">
</div>
</div>
</body>
</html>
三栏布局、(圣杯布局、双飞翼布局) 中间自适应两边固定
实现方式
1 position
2 float + margin
3 display: grid; grid-template-columns: 300px auto 300px;
还有好多 flex ....
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<style>
/* 第一种 */
.box {
position: relative;
height: 100%;
width: 100%;
}
.a,
.b,
.c {
height: 200px;
line-height: 200px;
text-align: center;
}
.a {
position: absolute;
right: 0;
top: 0;
width: 100px;
background-color: red;
}
.b {
position: absolute;
left: 0;
top: 0;
width: 100px;
background-color: pink;
}
.c {
margin: 0 100px;
background-color: rgb(19, 44, 171);
}
/* 第二种 */
.boxs {
width: 100%;
height: 100%;
}
.as,
.bs,
.cs {
height: 200px;
line-height: 200px;
}
.as {
float: right;
width: 200px;
background-color: blue;
}
.bs {
float: left;
width: 200px;
background-color: pink;
}
.cs {
margin: 0 200px 0 200px;
background-color: orange;
}
/* 第三种 */
.boxa {
width: 100%;
height: 100%;
display: grid;
/* 重点 */
grid-template-columns: 300px auto 300px;
}
.left,
.right,
.center {
height: 200px;
}
.left {
background-color: pink;
}
.right {
background-color: rgb(198, 44, 44);
}
.center {
background-color: rgb(47, 218, 187);
}
</style>
<body>
<!-- 第一种 -->
<div class="box">
<div class="a"></div>
<div class="b"></div>
<div class="c"></div>
</div>
<!-- 第二种 -->
<div class="boxs">
<div class="as"></div>
<div class="bs"></div>
<div class="cs"></div>
</div>
<!-- 第三种 -->
<div class="boxa">
<div class="left"></div>
<div class="right"></div>
<div class="center"></div>
</div>
</body>
</html>