CSS

纯CSS绘制三角形（各种角度）

Posted by huangqing on December 9, 2017

上三角

#triangle-up {
    width: 0;
    height: 0;
    border-left: 50px solid transparent;
    border-right: 50px solid transparent;
    border-bottom: 100px solid #D94E37;
}

下三角

#triangle-down {
    width: 0;
    height: 0;
    border-left: 50px solid transparent;
    border-right: 50px solid transparent;
    border-top: 100px solid #D94E37;
}

左三角

#triangle-left {
    width: 0;
    height: 0;
    border-top: 50px solid transparent;
    border-right: 100px solid #D94E37;
    border-bottom: 50px solid transparent;
}

右三角

#triangle-right {
    width: 0;
    height: 0;
    border-top: 50px solid transparent;
    border-left: 100px solid #D94E37;
    border-bottom: 50px solid transparent;
}

左上三角

#triangle-topleft {
    width: 0;
    height: 0;
    border-top: 100px solid #D94E37;
    border-right: 100px solid transparent;
}

右上三角

#triangle-topright {
    width: 0;
    height: 0;
    border-top: 100px solid #D94E37;
    border-left: 100px solid transparent; 
}

左下三角

#triangle-bottomleft {
    width: 0;
    height: 0;
    border-bottom: 100px solid #D94E37;
    border-right: 100px solid transparent;
}

右下三角

#triangle-bottomright {
    width: 0;
    height: 0;
    border-bottom: 100px solid #D94E37;
    border-left: 100px solid transparent;
}
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