html部分内容
<div>
<div></div>
<div>
<div></div>
</div>
<div></div>
</div>
css部分
*{ padding:0; margin:0;}
.header{ width:300px; margin:100px auto; position:relative; }
.eye_left,.eye_right{
width:30px;
height:30px;
background:#FFF;
position:absolute;
border:70px solid #0C0;
border-radius:160px;
-moz-border-radius:160px;
-webkit-border-radius:160px;
-o-border-radius:160px;}
.eye_left{
left:10px;
top:0px;}
.eye_right{
right:0px;
top:0px;}
.head_bottom{
width:200px;
border:#0C0 solid 60px;
border-radius:160px;
-moz-border-radius:160px;
-webkit-border-radius:160px;
-o-border-radius:160px;
height:30px;
left:0px;
position:absolute;
top:120px;
z-index:-5;}
.eye_in{
background:#0C0;
height:30px;
width:30px;
position:absolute;
right:-30px;
top:-30px;
border:#FFF 30px solid;
border-radius:160px;
-moz-border-radius:160px;
-webkit-border-radius:160px;
-o-border-radius:160px;}
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