二十二浮动布局(练习)
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练习1:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>浮动元素搭配标准流父盒子2</title>
<style>
*
margin: 0;
padding: 0;
li
list-style: none;
.box
width: 1226px;
height: 285px;
background-color: pink;
margin: 0 auto;
.box li
width: 296px;
height: 285px;
background-color: purple;
float: left;
margin-right: 14px;
/* 这里必须写 .box .last 要注意权重的问题 20 */
.box .last
margin-right: 0;
</style>
</head>
<body>
<ul class="box">
<li>1</li>
<li>2</li>
<li>3</li>
<li class="last">4</li>
</ul>
</body>
</html>
练习2:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>浮动布局练习3</title>
<style>
.box
width: 1226px;
height: 615px;
background-color: pink;
margin: 0 auto;
.left
float: left;
width: 234px;
height: 615px;
background-color: purple;
.right
float: left;
width: 992px;
height: 615px;
background-color: skyblue;
.right>div
float: left;
width: 234px;
height: 300px;
background-color: pink;
margin-left: 14px;
margin-bottom: 14px;
</style>
</head>
<body>
<div class="box">
<div class="left">左青龙</div>
<div class="right">
<div>1</div>
<div>2</div>
<div>3</div>
<div>4</div>
<div>5</div>
<div>6</div>
<div>7</div>
<div>8</div>
</div>
</div>
</body>
</html>
练习3:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>常见网页布局</title>
<style>
*
margin: 0;
padding: 0;
li
list-style: none;
.top
height: 50px;
background-color: gray;
.banner
width: 980px;
height: 150px;
background-color: gray;
margin: 10px auto;
.box
width: 980px;
margin: 0 auto;
height: 300px;
background-color: pink;
.box li
float: left;
width: 237px;
height: 300px;
background-color: gray;
margin-right: 10px;
.box .last
margin-right: 0;
/* 只要是通栏的盒子(和浏览器一样宽) 不需要指定宽度 */
.footer
height: 200px;
background-color: gray;
margin-top: 10px;
</style>
</head>
<body>
<div class="top">top</div>
<div class="banner">banner</div>
<div class="box">
<ul>
<li>1</li>
<li>2</li>
<li>3</li>
<li class="last">4</li>
</ul>
</div>
<div class="footer">footer</div>
</body>
</html>
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