CSS 三角形绘制方法

复制代码代码如下:

#triangle-up {

width: 0;

height: 0;

border-left: 50px solid transparent;

border-right: 50px solid transparent;

border-bottom: 100px solid red;

}



复制代码代码如下:

#triangle-down {

width: 0;

height: 0;

border-left: 50px solid transparent;

border-right: 50px solid transparent;

border-top: 100px solid red;

}



复制代码代码如下:

#triangle-left {

width: 0;

height: 0;

border-top: 50px solid transparent;

border-right: 100px solid red;

border-bottom: 50px solid transparent;

}



复制代码代码如下:

#triangle-right {

width: 0;

height: 0;

border-top: 50px solid transparent;

border-left: 100px solid red;

border-bottom: 50px solid transparent;

}



复制代码代码如下:

#triangle-topleft {

width: 0;

height: 0;

border-top: 100px solid red;

border-right: 100px solid transparent;

}



复制代码代码如下:

#triangle-topright {

width: 0;

height: 0;

border-top: 100px solid red;

border-left: 100px solid transparent;

}



复制代码代码如下:

#triangle-bottomleft {

width: 0;

height: 0;

border-bottom: 100px solid red;

border-right: 100px solid transparent;

}



复制代码代码如下:

#triangle-bottomright {

width: 0;

height: 0;

border-bottom: 100px solid red;

border-left: 100px solid transparent;

}
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