CSS3 画各种基本图形小技巧

css3是css技术的升级版本，css3语言开发是朝着模块化发展的。以前的规范作为一个模块实在是太庞大而且比较复杂，所以，把它分解为一些小的模块，更多新的模块也被加入进来。这些模块包括: 盒子模型、列表模块、超链接方式 、语言模块 、背景和边框 、文字特效 、多栏布局等。下面我们就和大家分享一些用css3制作一些简单图形的教程。

CSS3 圆形

#css3-circle{
 width: 150px;
 height: 150px;
 border-radius: 50%;
 background-color: #232323;}

CSS3 椭圆形

#css3-elipse{
 width: 200px;
 height: 100px;
 border-radius: 50%;
 background-color: #232323;}

CSS3 三角形

#css3-triangle{
 width: 0;
 height: 0;
 border-left: 100px solid transparent;
 border-right: 100px solid transparent;
 border-bottom: 150px solid #232323;}

CSS3 平行四边形

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#css3-parallelogram{
 width: 200px;
 height: 100px;
 background: #232323;
 -webkit-transform: skew(-45deg); -moz-transform: skew(-45deg); -o-transform: skew(-45deg);
 transform: skew(-45deg);
}

CSS3 梯形

#css3-trapezoid{
 width: 100px;
 height: 0;
 border-bottom: 100px solid #232323;
 border-left: 50px solid transparent;
 border-right: 50px solid transparent;
}

CSS3 六角星

#css3-six-star{
 width: 0;
 height: 0;
 position: relative;
 border-bottom: 100px solid #232323;
 border-left: 50px solid transparent;
 border-right: 50px solid transparent;
}#css3-six-star:after{
 content: "";
 width: 0;
 height: 0;
 position: absolute;
 left: -50px;
 top: 35px;
 border-top: 100px solid #232323;
 border-left: 50px solid transparent;
 border-right: 50px solid transparent;
}

CSS3 五角星

#css3-five-star{
 width: 0px;
 height: 0px;
 margin: 50px 0;
 position: relative;
 display: block;
 color: #232323;
 border-right: 100px solid transparent;
 border-bottom: 70px  solid #232323;
 border-left:100px solid transparent; -moz-transform:rotate(35deg); -webkit-transform: rotate(35deg); -ms-transform:rotate(35deg); -o-transform:rotate(35deg);
}#css3-five-star:before{
 border-bottom: 80px solid #232323;;
 border-left: 30px solid transparent;
 border-right: 30px solid transparent;
 position: absolute;
 height: 0;
 width: 0;
 top: -45px;
 left: -63px;
 display: block;
 content: ''; -webkit-transform: rotate(-35deg); -moz-transform:rotate(-35deg); -ms-transform:rotate(-35deg); -o-transform:rotate(-35deg);
}#css3-five-star:after{
 position: absolute;
 display: block;
 color: #232323;
 top: 3px;
 left: -105px;
 width: 0px;
 height: 0px;
 border-right: 100px solid transparent;
 border-bottom: 70px solid #232323;
 border-left: 100px solid transparent; -webkit-transform: rotate(-70deg); -moz-transform:rotate(-70deg); -ms-transform:rotate(-70deg); -o-transform:rotate(-70deg);
 content: '';
}

CSS3 五边形

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#css3-pentagon {
 position: relative;
 width: 54px;
 border-width: 50px 18px 0;
 border-style: solid; 
 border-color: #232323 transparent;}#css3-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 #232323;}

CSS3 六边形

#css3-hexagon {
 width: 100px;
 height: 55px;
 background: #232323; 
 position: relative;
}#css3-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 #232323; }#css3-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 #232323; }

CSS3 心形

#css3-heart {
 position: relative;
 width: 100px;
 height: 90px;
}#css3-heart:before, #css3-heart:after{
 position: absolute;
 content: "";
 left: 50px;
 top: 0;
 width: 50px;
 height: 80px;
 background: #232323;
 -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%;
}#css3-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%;
}

CSS3 八卦

#css3-gossip {
 width: 96px;
 height: 48px;
 background: #f1f1f1;
 border-color: #232323;
 border-style: solid;
 border-width: 2px 2px 50px 2px;
 border-radius: 100%;
 position: relative;
}#css3-gossip:before{
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  background: #f1f1f1;
  border: 18px solid #232323;
  border-radius: 100%;
  width: 12px;
  height: 12px;
}#css3-gossip:after {
 content: "";
 position: absolute;
 top: 50%;
 left: 50%;
 background: #232323;
 border: 18px solid #f1f1f1;
 border-radius:100%;
 width: 12px;
 height: 12px;
}

以上就是用css3来完成的基本小图形，你学会了吗？

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