纯CSS3实现绘制各种图形实现代码详细整理请在现代浏览器（IE9+、firefox、chrome、safari、opera等浏览器）中查看效果
请在现代浏览器（IE9+、firefox、chrome、safari、opera等浏览器）中查看效果：
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代码如下: #circle {width: 100px;height: 100px;background: red;-moz-border-radius: 50px;-webkit-border-radius: 50px;border-radius: 50px;}
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代码如下: #oval {width: 200px;height: 100px;background: red;-moz-border-radius: 100px / 50px;-webkit-border-radius: 100px / 50px;border-radius: 100px / 50px;}
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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;}
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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;}
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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;}
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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;}
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代码如下: #triangle-topleft {width: 0;height: 0;border-top: 100px solid red;border-right: 100px solid transparent;}
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代码如下: #triangle-topright {width: 0;height: 0;border-top: 100px solid red;border-left: 100px solid transparent;}
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代码如下: #triangle-bottomleft {width: 0;height: 0;border-bottom: 100px solid red;border-right: 100px solid transparent;}
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代码如下: #curvedarrow { position: relative; width: 0; height: 0; border-top: 9px solid transparent; border-right: 9px solid red; -webkit-transform: rotate(10deg); -moz-transform: rotate(10deg); -ms-transform: rotate(10deg); -o-transform: rotate(10deg);}#curvedarrow:after { content: ""; position: absolute; border: 0 solid transparent; border-top: 3px solid red; border-radius: 20px 0 0 0; top: -12px; left: -9px; width: 12px; height: 12px; -webkit-transform: rotate(45deg); -moz-transform: rotate(45deg); -ms-transform: rotate(45deg); -o-transform: rotate(45deg);}
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代码如下: #star-five { margin: 50px 0; position: relative; display: block; color: red; width: 0px; height: 0px; border-right: 100px solid transparent; border-bottom: 70px solid red; border-left: 100px solid transparent; -moz-transform: rotate(35deg); -webkit-transform: rotate(35deg); -ms-transform: rotate(35deg); -o-transform: rotate(35deg);}#star-five:before { border-bottom: 80px solid red; border-left: 30px solid transparent; border-right: 30px solid transparent; position: absolute; height: 0; width: 0; top: -45px; left: -65px; display: block; content: ''; -webkit-transform: rotate(-35deg); -moz-transform: rotate(-35deg); -ms-transform: rotate(-35deg); -o-transform: rotate(-35deg);}#star-five:after { 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; -webkit-transform: rotate(-70deg); -moz-transform: rotate(-70deg); -ms-transform: rotate(-70deg); -o-transform: rotate(-70deg); content: '';}
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代码如下: #heart { position: relative; width: 100px; height: 90px;}#heart:before,#heart:after { position: absolute; content: ""; left: 50px; top: 0; width: 50px; height: 80px; background: red; -moz-border-radius: 50px 50px 0 0; border-radius: 50px 50px 0 0; -webkit-transform: rotate(-45deg); -moz-transform: rotate(-45deg); -ms-transform: rotate(-45deg); -o-transform: rotate(-45deg); transform: rotate(-45deg); -webkit-transform-origin: 0 100%; -moz-transform-origin: 0 100%; -ms-transform-origin: 0 100%; -o-transform-origin: 0 100%; transform-origin: 0 100%;}#heart:after { left: 0; -webkit-transform: rotate(45deg); -moz-transform: rotate(45deg); -ms-transform: rotate(45deg); -o-transform: rotate(45deg); transform: rotate(45deg); -webkit-transform-origin: 100% 100%; -moz-transform-origin: 100% 100%; -ms-transform-origin: 100% 100%; -o-transform-origin: 100% 100%; transform-origin :100% 100%;}
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代码如下: #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; -moz-border-radius: 50px 50px 0 50px; border-radius: 50px 50px 0 50px; -webkit-transform: rotate(-45deg); -moz-transform: rotate(-45deg); -ms-transform: rotate(-45deg); -o-transform: rotate(-45deg); transform: rotate(-45deg);}#infinity:after { left: auto; right: 0; -moz-border-radius: 50px 50px 50px 0; border-radius: 50px 50px 50px 0; -webkit-transform: rotate(45deg); -moz-transform: rotate(45deg); -ms-transform: rotate(45deg); -o-transform: rotate(45deg); transform: rotate(45deg);}
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代码如下: #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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代码如下: #talkbubble { width: 120px; height: 80px; background: red; position: relative; -moz-border-radius: 10px; -webkit-border-radius: 10px; 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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代码如下: #yin-yang {width: 96px;height: 48px;background: #eee;border-color: red;border-style: solid;border-width: 2px 2px 50px 2px;border-radius: 100%;position: relative;}#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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代码如下: #magnifying-glass{ font-size: 10em; /* This controls the size. */ display: inline-block; width: 0.4em; height: 0.4em; border: 0.1em solid red; position: relative; border-radius: 0.35em;}#magnifying-glass::before{ content: ""; display: inline-block; position: absolute; right: -0.25em; bottom: -0.1em; border-width: 0; background: red; width: 0.35em; height: 0.08em; -webkit-transform: rotate(45deg); -moz-transform: rotate(45deg); -ms-transform: rotate(45deg); -o-transform: rotate(45deg);}