📜  在锚标记中附加旋转三角形 - Javascript 代码示例

📅  最后修改于: 2022-03-11 15:02:06.045000             🧑  作者: Mango

代码示例1
#triangle-down {
    width: 0;
    height: 0;
    border-left: 50px solid transparent;
    border-right: 50px solid transparent;
    border-top: 100px solid red;
}