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<!DOCTYPE html>
<html lang="zh">
<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>对话框</title>
<style type="text/css">
*{
margin: 0;
padding: 0;
}
html,body{
height: 100%;
overflow: hidden;
}
#test{
margin-top: 50px;
margin-left: 10px;
width: 644px;
height: 334px;
border: 1px solid;
border-radius: 50%;
text-align: center;
font: 30px helvetica;
line-height: 293px;
position: relative;
}
#test::after{
position: absolute;
display: block;
content: "";
width: 80px;
height: 80px;
border: 1px solid;
bottom: -65px;
right: -12px;
border-radius: 50%;
}
#test::before{
position: absolute;
display: block;
content: "";
width: 40px;
height: 40px;
border: 1px solid;
bottom: -109px;
right: -74px;
border-radius: 50%;
}
</style>
</head>
<body>
<div id="test">大家好，欢迎来到阿杰网络科技博客资源站</div>
</body>
</html>点击 "运行实例" 按钮查看在线实例
<!DOCTYPE html>
<html lang="zh">
<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>CSS风车练习</title>
<style type="text/css">
*{
margin: 0;
padding: 0;
}
html,body{
height: 100%;
overflow: hidden;
}
#wrap{
width: 300px;
height: 300px;
position: absolute;
left: 0;
right: 0;
top: 0;
bottom: 0;
margin: auto;
transition: 2s; //多少秒内旋转完毕 这里设置的是2秒
}
#wrap > div{
margin: 10px;
width: 130px;
height: 130px;
background: hotpink;
float: left;
box-sizing: border-box;
}
#wrap > div:nth-child(1),#wrap > div:nth-child(4){
border-radius: 0 60%;
}
#wrap > div:nth-child(2),#wrap > div:nth-child(3){
border-radius: 60% 0;
}
#wrap:hover{
transform: rotate(120deg); //旋转120度
}
</style>
</head>
<body>
<div id="wrap">
<div></div>
<div></div>
<div></div>
<div></div>
</div>
</body>
</html>点击 "运行实例" 按钮查看在线实例
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