<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>这是三个煎蛋</title>
<style type="text/css">
/*这是第一个煎蛋*/
#oneegg{
width: 100px;
height: 100px;
border: 50px solid #FFFFCC;
background-color: #FFFF00;
border-radius: 100px;
}
/*这是第二个煎蛋*/
#twoegg{
width: 200px;
height: 200px;
background-color: #FFFFCC;
border-radius: 100px;
overflow: hidden;
}
#twoegg .danhuang{
width: 100px;
height: 100px;
background-color: #FFFF00;
border-radius: 50px;
margin-top:50px ;
margin-left: 50px;
}
/*这是第三个煎蛋*/
#threeegg{
width: 200px;
height: 200px;
background-color: #FFFF00;
box-shadow: 0px 0px 0px 50px #FFFFCC inset;
border-radius: 100px;
}
</style>
</head>
<body>
<!--这是第一个煎蛋-->
<div id="oneegg"></div>
<!--这是第二个煎蛋-->
<div id="twoegg">
<div class="danhuang"></div>
</div>
<!--这是第三个煎蛋-->
<div id="threeegg"></div>
</body>
</html>
