<meta charset="UTF-8">
<title>练习五</title>
<style type="text/css">
*{
margin: 0px;
padding: 0px;
}
body{
background: #FF0000;
}
.box1{
width: 600px;
height: 600px;
background: #000000;
border-radius: 600px;
margin: 0px auto;
}
.box2{
width: 600px;
height: 300px;
background: #E0FFFF;
border-radius: 600px 600px 0px 0px;
}
.box3{
width: 300px;
height: 150px;
background: black;
border-radius:300px 300px 0px 0px;
margin-top:-150px;
}
.box4{
width: 300px;
height: 150px;
background: white;
border-radius:0px 0px 300px 300px;
margin-left: 300px;
}
.box5{
width: 100px;
height: 100px;
background: white;
border-radius: 50px;
margin-left: 100px;
margin-top: -200px;
}
.box6{
width: 100px;
height: 100px;
background: black;
border-radius: 50px;
margin-left: 400px;
margin-top: -100px;
}
</style>
</head>
<body>
<div class="box1">
<div class="box2"></div>
<div class="box3"></div>
<div class="box4"></div>
<div class="box5"></div>
<div class="box6"></div>
</body>
</html>
