1. 이등변삼각형
<span style="color: #800000;">.isosceles</span>{<span style="color: #ff0000;"> width</span>:<span style="color: #0000ff;"> 0</span>;<span style="color: #ff0000;"> height</span>:<span style="color: #0000ff;"> 0</span>;<span style="color: #ff0000;"> border</span>:<span style="color: #0000ff;">30px solid</span>;<span style="color: #ff0000;"> border-left-color</span>:<span style="color: #0000ff;"> transparent</span>;<span style="color: #ff0000;"> border-right-color</span>:<span style="color: #0000ff;"> transparent</span>;<span style="color: #ff0000;"> border-top-color</span>:<span style="color: #0000ff;"> transparent</span>;<span style="color: #ff0000;"> border-bottom-color</span>:<span style="color: #0000ff;"> red</span>; }
2. 직각삼각형
<span style="color: #800000;">.right</span>{<span style="color: #ff0000;"> width</span>:<span style="color: #0000ff;"> 0</span>;<span style="color: #ff0000;"> height</span>:<span style="color: #0000ff;"> 0</span>;<span style="color: #ff0000;"> border</span>:<span style="color: #0000ff;">30px solid</span>;<span style="color: #ff0000;"> border-left</span>:<span style="color: #0000ff;"> 0</span>;<span style="color: #ff0000;"> border-right-color</span>:<span style="color: #0000ff;"> transparent</span>;<span style="color: #ff0000;"> border-top</span>:<span style="color: #0000ff;"> 0</span>;<span style="color: #ff0000;"> border-bottom-color</span>:<span style="color: #0000ff;"> red</span>; }
3. 서클
<span style="color: #800000;">.round</span>{<span style="color: #ff0000;"> width</span>:<span style="color: #0000ff;"> 100px</span>;<span style="color: #ff0000;"> height</span>:<span style="color: #0000ff;"> 100px</span>;<span style="color: #ff0000;"> background-color</span>:<span style="color: #0000ff;"> red</span>;<span style="color: #ff0000;"> border-radius</span>:<span style="color: #0000ff;">50%</span>; }
4. 타원
<span style="color: #800000;">.ellipse</span>{<span style="color: #ff0000;"> width</span>:<span style="color: #0000ff;"> 100px</span>;<span style="color: #ff0000;"> height</span>:<span style="color: #0000ff;"> 80px</span>;<span style="color: #ff0000;"> background-color</span>:<span style="color: #0000ff;"> red</span>;<span style="color: #ff0000;"> border-radius</span>:<span style="color: #0000ff;">50%</span>; }