css画出各种不规则图形

1、圆形

#circle{width:100px;height:100px;background:red;-moz-border-radius:50px;-webkit-border-radius:50px;border-radius:50px;}

2、椭圆

#oval{width:200px;height:100px;background:red;-moz-border-radius:100px / 50px;-webkit-border-radius:100px / 50px;border-radius:100px / 50px;}

3、等边三角

#triangle-up{width:0;height:0;border-left:50px solid transparent;border-right:50px solid transparent;border-bottom:100px solid red;}

4、五角星

#star-five{margin:50px 0;position:relative;display:block;color:red;width:0px;height:0px;border-right:100px solid transparent;border-bottom:70px solid red;border-left:100px solid transparent;-moz-transform:rotate(35deg);-webkit-transform:rotate(35deg);-ms-transform:rotate(35deg);-o-transform:rotate(35deg);}#star-five:before{border-bottom:80px solid red;border-left:30px solid transparent;border-right:30px solid transparent;position:absolute;height:0;width:0;top:-45px;left:-65px;display:block;content:'';-webkit-transform:rotate(-35deg);-moz-transform:rotate(-35deg);-ms-transform:rotate(-35deg);-o-transform:rotate(-35deg); }#star-five:after{position:absolute;display:block;color:red;top:3px;left:-105px;width:0px;height:0px;border-right:100px solid transparent;border-bottom:70px solid red;border-left:100px solid transparent;-webkit-transform:rotate(-70deg);-moz-transform:rotate(-70deg);-ms-transform:rotate(-70deg);-o-transform:rotate(-70deg);content:'';}

5、爱心

#heart{position:relative;width:100px;height:90px;}#heart:before,#heart:after{position:absolute;content:"";left:50px;top:0;width:50px;height:80px;background:red;-moz-border-radius:50px 50px 0 0;border-radius:50px 50px 0 0;-webkit-transform:rotate(-45deg);-moz-transform:rotate(-45deg);-ms-transform:rotate(-45deg);-o-transform:rotate(-45deg);transform:rotate(-45deg);-webkit-transform-origin:0 100%;-moz-transform-origin:0 100%;-ms-transform-origin:0 100%;-o-transform-origin:0 100%;transform-origin:0 100%;}#heart:after{left:0;-webkit-transform:rotate(45deg);-moz-transform:rotate(45deg);-ms-transform:rotate(45deg);-o-transform:rotate(45deg);transform:rotate(45deg);-webkit-transform-origin:100% 100%;-moz-transform-origin:100% 100%;-ms-transform-origin:100% 100%;-o-transform-origin:100% 100%;transform-origin:100% 100%;}

6、倒三角

#triangle03{width:0;height:0;border:50pxsolid transparent;border-top:50pxsolid blue; }