网站开发进阶（五十七）纯CSS画的基本图形（矩形、圆形、三角形、多边形、爱心、八卦等）

正方形

#square {
 width: 100px;
 height: 100px;
 background: red;
}

  
 

  
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长方形

#rectangle {
 width: 200px;
height: 100px;
background: red;
 }

  
 

  
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圆形

.circle { 
 width: 100px; 
 height: 100px; 
 background: red; 
 border-radius: 50px; 
}

  
 

  
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椭圆

.oval { width: 200px; height: 100px; background: red; border-radius: 100px / 50px; 
}

  
 

  
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上三角

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

  
 

  
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下三角

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

  
 

  
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左上三角

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

  
 

  
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右上三角

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

  
 

  
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左下三角

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

  
 

  
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右下三角

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

  
 

  
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左三角

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

  
 

  
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右三角

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

  
 

  
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平行四边形

.parallelogram { width: 150px; height: 100px; margin-left:20px; transform: skew(20deg); background: red; 
} 

  
 

  
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梯形

.trapezoid { border-bottom: 100px solid red; border-left: 50px solid transparent; border-right: 50px solid transparent; height: 0; width: 100px; 
} 

  
 

  
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六角星

.star-six { position: relative; width: 0; height: 0; border-left: 50px solid transparent; border-right: 50px solid transparent; border-bottom: 100px solid red; 
} 
.star-six:after {
  content: ""; position: absolute; top: 30px; left: -50px; width: 0; height: 0; border-left: 50px solid transparent; border-right: 50px solid transparent; border-top: 100px solid red; 
} 

  
 

  
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五角星

.star-five { position: relative; margin: 50px 0; display: block; color: red; width: 0px; height: 0px; border-right: 100px solid transparent; border-bottom: 70px solid red; border-left: 100px solid transparent; transform: rotate(35deg); 
} 
.star-five:before { content: ''; position: absolute; top: -45px; left: -65px; border-bottom: 80px solid red; border-left: 30px solid transparent; border-right: 30px solid transparent; height: 0; width: 0; display: block; transform: rotate(-35deg); 
} 
.star-five:after { content: '';
  position: absolute; display: block; color: red; top: 3px; left: -105px; width: 0px; height: 0px; border-right: 100px solid transparent; border-bottom: 70px solid red; border-left: 100px solid transparent; transform: rotate(-70deg); 
} 

  
 

  
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五角大楼

.pentagon { position: relative; width: 54px; border-width: 50px 18px 0; border-style: solid; border-color: red transparent; 
} 
.pentagon:before { content: ""; position: absolute; height: 0; width: 0; top: -85px; left: -18px; border-width: 0 45px 35px; border-style: solid; border-color: transparent transparent red; 
} 

  
 

  
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六边形

.hexagon { position: relative; width: 100px; height: 55px; background: red; 
} 
.hexagon:before { content: ""; position: absolute; top: -25px; left: 0; width: 0; height: 0; border-left: 50px solid transparent; border-right: 50px solid transparent; border-bottom: 25px solid red; 
} 
.hexagon:after { content: ""; position: absolute; bottom: -25px; left: 0; width: 0; height: 0; border-left: 50px solid transparent; border-right: 50px solid transparent; border-top: 25px solid red; 
} 

  
 

  
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八角形

.octagon { position: relative; width: 100px; height: 100px; background: red; 
} 
.octagon:before { content: ""; position: absolute; top: 0; left: 0; border-bottom: 29px solid red; border-left: 29px solid #eee; border-right: 29px solid #eee; width: 42px; height: 0; 
} 
.octagon:after { content: ""; position: absolute; bottom: 0; left: 0; border-top: 29px solid red; border-left: 29px solid #eee; border-right: 29px solid #eee; width: 42px; height: 0; 
} 

  
 

  
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爱心

.heart { position: relative; width: 100px; height: 90px; 
} 
.heart:before, .heart:after { position: absolute; content: ""; left: 50px; top: 0; width: 50px; height: 80px; background: red; border-radius: 50px 50px 0 0; transform: rotate(-45deg);
  transform-origin: 0 100%; 
} 
.heart:after { left: 0; transform: rotate(45deg); transform-origin :100% 100%; 
} 

  
 

  
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无穷大符号

.infinity { position: relative; width: 212px; height: 100px; 
} 
.infinity:before, .infinity:after { content: ""; position: absolute; top: 0; left: 0; width: 60px; height: 60px; border: 20px solid red; border-radius: 50px 50px 0 50px; transform: rotate(-45deg); 
} 
.infinity:after { left: auto; right: 0;
  border-radius: 50px 50px 50px 0; transform: rotate(45deg); 
} 

  
 

  
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鸡蛋

.egg { display:block; width: 126px; height: 180px; background-color: red; -webkit-border-radius: 63px 63px 63px 63px / 108px 108px 72px 72px; border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%; 
} 

  
 

  
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食逗人（Pac-Man）

.pacman { width: 0px; height: 0px; border-right: 60px solid transparent; border-top: 60px solid red; border-left: 60px solid red; border-bottom: 60px solid red; border-top-left-radius: 60px; border-top-right-radius: 60px; border-bottom-left-radius: 60px; border-bottom-right-radius: 60px; 
} 

  
 

  
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提示对话框

.talkbubble { position: relative; width: 120px; height: 80px; background: red; border-radius: 10px; 
} 
.talkbubble:before { content:""; position: absolute; right: 100%; top: 26px; width: 0; height: 0; border-top: 13px solid transparent; border-right: 26px solid red; border-bottom: 13px solid transparent; 
} 

  
 

  
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12角星

.burst-12 { background: red; width: 80px; height: 80px; position: relative; text-align: center; 
} 
.burst-12:before, .burst-12:after { content: ""; position: absolute; top: 0; left: 0; height: 80px; width: 80px; background: red; 
} 
.burst-12:before { transform: rotate(30deg); 
} 
.burst-12:after { transform: rotate(60deg); 
} 

  
 

  
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钻石

.cut-diamond { border-style: solid; border-color: transparent transparent red transparent; border-width: 0 25px 25px 25px; height: 0; width: 50px; position: relative; margin: 20px 0 50px 0; 
} 
.cut-diamond:after { content: ""; position: absolute; top: 25px; left: -25px; width: 0; height: 0; border-style: solid; border-color: red transparent transparent transparent; border-width: 70px 50px 0 50px; 
} 

  
 

  
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阴阳八卦

.yin-yang { position: relative; width: 96px; height: 48px; background: #eee; border-color: red; border-style: solid; border-width: 2px 2px 50px 2px; border-radius: 100%; 
} 
.yin-yang:before { content: ""; position: absolute; top: 50%; left: 0; background: #eee; border: 18px solid red; border-radius: 100%; width: 12px; height: 12px; 
} 
.yin-yang:after { content: ""; position: absolute; top: 50%; left: 50%; background: red; border: 18px solid #eee; border-radius:100%; width: 12px; height: 12px; 
} 

  
 

  
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文章来源: shq5785.blog.csdn.net，作者：No Silver Bullet，版权归原作者所有，如需转载，请联系作者。

原文链接：shq5785.blog.csdn.net/article/details/105619236