要求呈现图案：
法一：不建议
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title> </title>
<style>
div:nth-child(1){
width: 100px;
height: 100px;
background-color: aqua ;
float: left;
}
div:nth-child(2){
width: 300px;
height: 100px;
background-color: purple ;
}
div:nth-child(3){
width: 100px;
height: 200px;
background-color: gold ;
float: left;
}
div:nth-child(4){
width: 100px;
height: 200px;
background-color: red ;
float: left;
}
div:nth-child(5){
width: 300px;
height: 100px;
background-color: black ;
}
div:nth-child(6){
width: 300px;
height:100px;
background-color: palegoldenrod ;
}
</style>
</head>
<body>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
</body>
</html>
法二：建议用此方法
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style>
.container{
width: 300px;
height: 300px;
background-color: gray;
}
.container .top{
width: 300px;
height: 100px;
background-color: blue;
}
.container .bottom{
width: 300px;
height: 200px;
background-color: purple;
}
.container .top .left{
width: 100px;
height: 100px;
background-color: red;
}
.container .bottom .left{
width: 100px;
height: 200px;
background-color: yellow;
float: left;
}
.container .bottom .center{
width: 100px;
height: 200px;
background-color: pink;
float: left;
}
.container .bottom .right{
width: 100px;
height: 200px;
background-color: green;
float: left;
}
.container .bottom .right .top{
width: 100px;
height: 100px;
background-color: gold;
}
.container .bottom .right .bottom{
width: 100px;
height: 100px;
background-color: greenyellow;
}
</style>
</head>
<body>
<div class="container">
<div class="top">
<div class="left"></div>
</div>
<div class="bottom">
<div class="left"></div>
<div class="center"></div>
<div class="right">
<div class="top"></div>
<div class="bottom"></div>
</div>
</div>
</div>
</body>
</html>
