css实现九宫格
1.grid布局
<!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>
<style>
.wrapper{
width: 450px;
background: #f3f3f3;
text-align: center;
display: grid;
grid-template-columns: 150px 150px 150px;
grid-template-rows:150px 150px 150px ;
}
.item{
text-align: center;
border: 1px solid #fff;
color: #fff;
font-weight: bold;
line-height: 150px;
}
.item:nth-of-type(1){
background: #00a0a0;
}
.item:nth-of-type(2){
background: #00a0a0;
}
.item:nth-of-type(3){
background: #a0a0ff;
}
.item:nth-of-type(6){
background: #00a0a0;
}
.item:nth-of-type(5){
background: #a0a0ff;
}
.item:nth-of-type(4){
background: #00a0a0;
}
.item:nth-of-type(7){
background: #a0a0ff;
}
.item:nth-of-type(9){
background: #00a0a0;
}
.item:nth-of-type(8){
background: #a0a0ff;
}
</style>
<script src="./index.js"></script>
</head>
<body>
<div class="wrapper">
<div class="item">1</div>
<div class="item">2</div>
<div class="item">3</div>
<div class="item">4</div>
<div class="item">5</div>
<div class="item">6</div>
<div class="item">7</div>
<div class="item">8</div>
<div class="item">9</div>
</div>
</body>
</html>
2.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>
<style>
.wrapper{
width: 450px;
background: #f3f3f3;
text-align: center;
display: flex;
justify-content: center;
flex-wrap: wrap;
}
.item{
width: 150px;
text-align: center;
border: 1px solid #fff;
color: #fff;
font-weight: bold;
line-height: 150px;
box-sizing: border-box;
}
.item:nth-of-type(1){
background: #00a0a0;
}
.item:nth-of-type(2){
background: #00a0a0;
}
.item:nth-of-type(3){
background: #a0a0ff;
}
.item:nth-of-type(6){
background: #00a0a0;
}
.item:nth-of-type(5){
background: #a0a0ff;
}
.item:nth-of-type(4){
background: #00a0a0;
}
.item:nth-of-type(7){
background: #a0a0ff;
}
.item:nth-of-type(9){
background: #00a0a0;
}
.item:nth-of-type(8){
background: #a0a0ff;
}
</style>
<script src="./index.js"></script>
</head>
<body>
<div class="wrapper">
<div class="item">1</div>
<div class="item">2</div>
<div class="item">3</div>
<div class="item">4</div>
<div class="item">5</div>
<div class="item">6</div>
<div class="item">7</div>
<div class="item">8</div>
<div class="item">9</div>
</div>a
</body>
</html>
3.float
<!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>
<style>
.wrapper{
width: 450px;
height: 450px;
background: #f3f3f3;
text-align: center;
overflow: hidden;
box-sizing: border-box;
}
.item{
width: 150px;
text-align: center;
border-top: 1px solid #fff;
border-right: 1px solid #fff;
color: #fff;
font-weight: bold;
line-height: 150px;
box-sizing: border-box;
float: left;
}
.item:nth-of-type(1){
background: #00a0a0;
}
.item:nth-of-type(2){
background: #00a0a0;
}
.item:nth-of-type(3){
background: #a0a0ff;
}
.item:nth-of-type(6){
background: #00a0a0;
}
.item:nth-of-type(5){
background: #a0a0ff;
}
.item:nth-of-type(4){
background: #00a0a0;
}
.item:nth-of-type(7){
background: #a0a0ff;
}
.item:nth-of-type(9){
background: #00a0a0;
}
.item:nth-of-type(8){
background: #a0a0ff;
}
</style>
<script src="./index.js"></script>
</head>
<body>
<div class="wrapper">
<div class="item">1</div>
<div class="item">2</div>
<div class="item">3</div>
<div class="item">4</div>
<div class="item">5</div>
<div class="item">6</div>
<div class="item">7</div>
<div class="item">8</div>
<div class="item">9</div>
</div>
</body>
</html>
4.table
<!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>
<style>
table{
border-collapse: collapse;
text-align: center;
width: 450px;
height: 450px;
}
tr{
height: 150px;
}
th{
width: 150px;
}
tr:nth-of-type(1){
background: chartreuse;
}
tr:nth-of-type(1) th:nth-of-type(1){
background: darkblue;
}
tr:nth-of-type(1) th:nth-of-type(2){
background: deeppink;
}
tr:nth-of-type(2){
background: cyan;
}
tr:nth-of-type(2) th:nth-of-type(2){
background: darkkhaki;
}
tr:nth-of-type(3){
background: chocolate;
}
tr:nth-of-type(3) th:nth-of-type(3){
background: darkseagreen;
}
tr:nth-of-type(3) th:nth-of-type(1){
background: deepskyblue;
}
</style>
</head>
<body>
<table>
<tr>
<th>1</th>
<th>2</th>
<th>3</th>
</tr>
<tr>
<th>1</th>
<th>2</th>
<th>3</th>
</tr>
<tr>
<th>1</th>
<th>2</th>
<th>3</th>
</tr>
</table>
</body>
</html>
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