用CSS绘制最常见的40种形状和图形

今天在国外的网站上看到了很多看似简单却又非常强大的纯CSS绘制的图形，里面有最简单的矩形、圆形和三角形，也有各种常见的多边形，甚至是阴阳太极和网站小图标，真的非常强大，分享给大家。

Square(正方形)

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

Rectangle(矩形)

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

Circle(圆形)

#circle {
    width: 100px;
    height: 100px;
    background: red;
    -moz-border-radius: 50px;
    -webkit-border-radius: 50px;
    border-radius: 50px;}/* 可以使用百分比值(大于50%)，但是低版本的Android不支持 */

Oval(椭圆形)

#oval {
    width: 200px;
    height: 100px;
    background: red;
    -moz-border-radius: 100px / 50px;
    -webkit-border-radius: 100px / 50px;
    border-radius: 100px / 50px;}/* 可以使用百分比值(大于50%)，但是低版本的Android不支持 */

Triangle Up(向上的三角形)

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

Triangle Down(向下)

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

Triangle Left(向左)

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

Triangle Right(向右)

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

Triangle Top Left(左上)

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

Triangle Top Right(右上)

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

Triangle Bottom Left(左下)

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

Triangle Bottom Right(右下)

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

Curved Tail Arrow(弯尾箭头)

#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);}

Trapezoid(梯形)

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

Parallelogram(平行四边形)

#parallelogram {
    width: 150px;
    height: 100px;
    -webkit-transform: skew(20deg);
       -moz-transform: skew(20deg);
         -o-transform: skew(20deg);
    background: red;}

Star (6-points)(六角星)

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

Star (5-points)(五角星)

#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: ‘‘;}

Pentagon(五边形)

#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;}

Hexagon(六边形)

#hexagon {
    width: 100px;
    height: 55px;
    background: red;
    position: relative;}#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;}

Octagon(八边形)

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

Heart(心形)

#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%;}

Infinity(无限符图形)

#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);}

Diamond Square(菱形)

#diamond {
    width: 0;
    height: 0;
    border: 50px solid transparent;
    border-bottom-color: red;
    position: relative;
    top: -50px;}#diamond:after {
    content: ‘‘;
    position: absolute;
    left: -50px;
    top: 50px;
    width: 0;
    height: 0;
    border: 50px solid transparent;
    border-top-color: red;}

Diamond Shield（钻石盾牌）

#diamond-shield {
    width: 0;
    height: 0;
    border: 50px solid transparent;
    border-bottom: 20px solid red;
    position: relative;
    top: -50px;}#diamond-shield:after {
    content: ‘‘;
    position: absolute;
    left: -50px; top: 20px;
    width: 0;
    height: 0;
    border: 50px solid transparent;
    border-top: 70px solid red;}

Diamond Narrow

#diamond-narrow {
    width: 0;
    height: 0;
    border: 50px solid transparent;
    border-bottom: 70px solid red;
    position: relative;
    top: -50px;}#diamond-narrow:after {
    content: ‘‘;
    position: absolute;
    left: -50px; top: 70px;
    width: 0;
    height: 0;
    border: 50px solid transparent;
    border-top: 70px solid red;}

Cut Diamond(砖石形)

#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;}

Egg(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%;}

Pac-Man(吃豆人)

#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;}

Talk Bubble（聊天框）

#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;}

12 Point Burst（爆炸形状）

#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 {
    -webkit-transform: rotate(30deg);
       -moz-transform: rotate(30deg);
        -ms-transform: rotate(30deg);
         -o-transform: rotate(30deg);}#burst-12:after {
    -webkit-transform: rotate(60deg);
       -moz-transform: rotate(60deg);
        -ms-transform: rotate(60deg);
         -o-transform: rotate(60deg);}

Yin Yang(阴阳八卦)

#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;}

Badge Ribbon(徽章丝带)

#badge-ribbon {
 position: relative;
 background: red;
 height: 100px;
 width: 100px;
 -moz-border-radius:    50px;
 -webkit-border-radius: 50px;
 border-radius:         50px;}#badge-ribbon:before,
#badge-ribbon:after {
  content: ‘‘;
  position: absolute;
  border-bottom: 70px solid red;
  border-left: 40px solid transparent;
  border-right: 40px solid transparent;
  top: 70px;
  left: -10px;
  -webkit-transform: rotate(-140deg);
  -moz-transform:    rotate(-140deg);
  -ms-transform:     rotate(-140deg);
  -o-transform:      rotate(-140deg);}#badge-ribbon:after {
  left: auto;
  right: -10px;
  -webkit-transform: rotate(140deg);
  -moz-transform:    rotate(140deg);
  -ms-transform:     rotate(140deg);
  -o-transform:      rotate(140deg);}

Space Invader（太空入侵者）

#space-invader{
  box-shadow:
    0 0 0 1em red,
    0 1em 0 1em red,
    -2.5em 1.5em 0 .5em red,
    2.5em 1.5em 0 .5em red,
    -3em -3em 0 0 red,
    3em -3em 0 0 red,
    -2em -2em 0 0 red,
    2em -2em 0 0 red,
    -3em -1em 0 0 red,
    -2em -1em 0 0 red,
    2em -1em 0 0 red,
    3em -1em 0 0 red,
    -4em 0 0 0 red,
    -3em 0 0 0 red,
    3em 0 0 0 red,
    4em 0 0 0 red,
    -5em 1em 0 0 red,
    -4em 1em 0 0 red,
    4em 1em 0 0 red,
    5em 1em 0 0 red,
    -5em 2em 0 0 red,
    5em 2em 0 0 red,
    -5em 3em 0 0 red,
    -3em 3em 0 0 red,
    3em 3em 0 0 red,
    5em 3em 0 0 red,
    -2em 4em 0 0 red,
    -1em 4em 0 0 red,
    1em 4em 0 0 red,
    2em 4em 0 0 red;

    background: red;
    width: 1em;
    height: 1em;
    overflow: hidden;

    margin: 50px 0 70px 65px;
  }

TV Screen（电视屏幕）

#tv {
  position: relative;
  width: 200px;
  height: 150px;
  margin: 20px 0;
  background: red;
  border-radius: 50% / 10%;
  color: white;
  text-align: center;
  text-indent: .1em;}#tv:before {
  content: ‘‘;
  position: absolute;
  top: 10%;
  bottom: 10%;
  right: -5%;
  left: -5%;
  background: inherit;
  border-radius: 5% / 50%;}

Chevron（雪佛龙）

#chevron {
  position: relative;
  text-align: center;
  padding: 12px;
  margin-bottom: 6px;
  height: 60px;
  width: 200px;}#chevron:before {
  content: ‘‘;
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 51%;
  background: red;
  -webkit-transform: skew(0deg, 6deg);
  -moz-transform: skew(0deg, 6deg);
  -ms-transform: skew(0deg, 6deg);
  -o-transform: skew(0deg, 6deg);
  transform: skew(0deg, 6deg);}#chevron:after {
  content: ‘‘;
  position: absolute;
  top: 0;
  right: 0;
  height: 100%;
  width: 50%;
  background: red;
  -webkit-transform: skew(0deg, -6deg);
  -moz-transform: skew(0deg, -6deg);
  -ms-transform: skew(0deg, -6deg);
  -o-transform: skew(0deg, -6deg);
  transform: skew(0deg, -6deg);}

Magnifying Glass（放大镜）

#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);}

Facebook Icon（Facebook图标）

#facebook-icon {
  background: red;
  text-indent: -999em;
  width: 100px;
  height: 110px;
  border-radius: 5px;
  position: relative;
  overflow: hidden;
  border: 15px solid red;
  border-bottom: 0;}#facebook-icon::before {
  content: "/20";
  position: absolute;
  background: red;
  width: 40px;
  height: 90px;
  bottom: -30px;
  right: -37px;
  border: 20px solid #eee;
  border-radius: 25px;}#facebook-icon::after {
  content: "/20";
  position: absolute;
  width: 55px;
  top: 50px;
  height: 20px;
  background: #eee;
  right: 5px;}

Cone(圆锥形)

#cone {
  width: 0;
  height: 0;
  border-left: 70px solid transparent;
  border-right: 70px solid transparent;
  border-top: 100px solid red;
  -moz-border-radius: 50%;
  -webkit-border-radius: 50%;
  border-radius: 50%;}

Moon(月亮)

#moon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  box-shadow: 15px 15px 0 0 red;}

Cross（十字架）

#cross {
  background: red;
  height: 100px;
  position: relative;
  width: 20px;}#cross:after {
  background: red;
  content: "";
  height: 20px;
  left: -40px;
  position: absolute;
  top: 40px;
  width: 100px;}

用CSS绘制最常见的40种形状和图形

原文：http://www.cnblogs.com/reaf/p/6009724.html