css繪製特殊圖形基礎

1.等腰三角形

.isosceles{    width: 0;    height: 0;    border:30px solid;    border-left-color: transparent;    border-right-color: transparent;    border-top-color: transparent;    border-bottom-color: red;}

2.直角三角形

.right{    width: 0;    height: 0;    border:30px solid;    border-left: 0;    border-right-color: transparent;    border-top: 0;    border-bottom-color: red;}

3.圓

.round{    width: 100px;    height: 100px;    background-color: red;    border-radius:50%;   }

4.橢圓

.ellipse{    width: 100px;    height: 80px;    background-color: red;    border-radius:50%;   }

