<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>CSS 画基本图形</title>
<style type="text/css">
* {
color: #fff;
}
div {
margin: 0 auto;
margin-top: 20px;
margin-bottom: 20px;
text-align: center;
}
span {
display: inline-block;
line-height: 100px;
}
/* 圆 */
#circle {
width: 100px;
height: 100px;
background: rgba(0, 0, 0, .8);
border-radius: 50px;
-o-border-radius: 50px;
-moz-border-radius: 50px;
-webkit-border-radius: 50px;
}
/* 椭圆 */
#oval {
width: 200px;
height: 100px;
background: rgba(0, 0, 0, .8);
border-radius: 100px / 50px;
-o-border-radius: 100px / 50px;
-moz-border-radius: 100px / 50px;
-webkit-border-radius: 100px / 50px;
}
/* 上三角 */
#triangle-up {
width: 0;
height: 0;
border-left: 50px solid transparent;
border-right: 50px solid transparent;
border-bottom: 100px solid rgba(0, 0, 0, .8);
}
/* 下三角 */
#triangle-down {
width: 0;
height: 0;
border-left: 50px solid transparent;
border-right: 50px solid transparent;
border-top: 100px solid rgba(0, 0, 0, .8);
}
/* 左三角 */
#triangle-left {
width: 0;
height: 0;
border-top: 50px solid transparent;
border-bottom: 50px solid transparent;
border-right: 100px solid rgba(0, 0, 0, .8);
}
/* 右三角 */
#triangle-right {
width: 0;
height: 0;
border-top: 50px solid transparent;
border-bottom: 50px solid transparent;
border-left: 100px solid rgba(0, 0, 0, .8);
}
/* 左上三角 */
#triangle-topleft {
width: 0;
height: 0;
border-top: 100px solid rgba(0, 0, 0, .8);
border-right: 100px solid transparent;
}
/* 右上三角 */
#triangle-topright {
width: 0;
height: 0;
border-top: 100px solid rgba(0, 0, 0, .8);
border-left: 100px solid transparent;
}
/* 左下三角 */
#triangle-bottomleft {
width: 0;
height: 0;
border-bottom: 100px solid rgba(0, 0, 0, .8);
border-right: 100px solid transparent;
}
/* 右下三角 */
#triangle-bottomright {
width: 0;
height: 0;
border-bottom: 100px solid rgba(0, 0, 0, .8);
border-left: 100px solid transparent;
}
/* 平行四边形 */
#parallelogram {
width: 150px;
height: 100px;
margin-right: 20px;
background: rgba(0, 0, 0, .8);
-o-transform: skew(-20deg);
-moz-transform: skew(-20deg);
-webkit-transform: skew(-20deg);
}
/* 梯形 */
#trapezoid {
width: 100px;
height: 0;
border-bottom: 100px solid rgba(0, 0, 0, .8);
border-left: 50px solid transparent;
border-right: 50px solid transparent;
}
/* 五边形 */
#pentagon {
position: relative;
width: 54px;
border-width: 50px 18px 0; /* 梯形 */
border-style: solid;
border-color: rgba(0, 0, 0, .8) transparent;
margin-top: 40px;
}
#pentagon:before {
content: "";
position: absolute;
height: 0;
width: 0;
top: -85px;
left: -18px;
border-width: 0 45px 35px; /* 上三角 */
border-style: solid;
border-color: transparent transparent rgba(0, 0, 0, .8);
}
/* 六边形 */
#hexagon {
width: 100px;
height: 55px;
background: rgba(0, 0, 0, .8);
position: relative;
margin-left: 20px;
}
#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 rgba(0, 0, 0, .8);
}
#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 rgba(0, 0, 0, .8);
}
/* 八角形 */
#octagon {
width: 100px;
height: 100px;
background: rgba(0, 0, 0, .8);
position: relative;
margin-left: 20px;
}
#octagon:before {
content: "";
position: absolute;
top: 0;
left: 0;
border-bottom: 12px solid rgba(0, 0, 0, 0);
border-left: 12px solid #fff;
border-right: 12px solid #fff;
width: 76px;
height: 0;
}
#octagon:after {
content: "";
position: absolute;
bottom: 0;
left: 0;
border-top: 12px solid rgba(0, 0, 0, 0);
border-left: 12px solid #fff;
border-right: 12px solid #fff;
width: 76px;
height: 0;
}
/* 五角星 */
#star-five {
margin: 50px 0;
position: relative;
color: rgba(0, 0, 0, .8);
width: 0px;
height: 0px;
border-right: 100px solid transparent;
border-bottom: 70px solid rgba(0, 0, 0, .8);
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 rgba(0, 0, 0, .8);
border-left: 30px solid transparent;
border-right: 30px solid transparent;
position: absolute;
height: 0;
width: 0;
top: -44px;
left: -61px;
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: rgba(0, 0, 0, .8);
top: 3px;
left: -105px;
width: 0px;
height: 0px;
border-right: 100px solid transparent;
border-bottom: 70px solid rgba(0, 0, 0, .8);
border-left: 100px solid transparent;
-webkit-transform: rotate(-70deg);
-moz-transform: rotate(-70deg);
-ms-transform: rotate(-70deg);
-o-transform: rotate(-70deg);
content: '';
}
/* 六角形 */
#star-six {
width: 0;
height: 0;
border-left: 50px solid transparent;
border-right: 50px solid transparent;
border-bottom: 100px solid rgba(0, 0, 0, .8);
position: relative;
}
#star-six:after {
width: 0;
height: 0;
border-left: 50px solid transparent;
border-right: 50px solid transparent;
border-top: 100px solid rgba(0, 0, 0, .8);
position: absolute;
content: "";
top: 30px;
left: -50px;
}
/* 8角星 */
#burst-8 {
margin-left: 20px;
width: 80px;
height: 80px;
background: rgba(0, 0, 0, .8);
position: relative;
text-align: center;
-webkit-transform: rotate(20deg);
-moz-transform: rotate(20deg);
-ms-transform: rotate(20deg);
-o-transform: rotate(20deg);
transform: rotate(20deg);
}
#burst-8:before {
content: "";
position: absolute;
top: 0;
left: 0;
height: 80px;
width: 80px;
background: rgba(0, 0, 0, .8);
-webkit-transform: rotate(135deg);
-moz-transform: rotate(135deg);
-ms-transform: rotate(135deg);
-o-transform: rotate(135deg);
transform: rotate(135deg);
}
/* 12角星 */
#burst-12 {
margin-left: 40px;
width: 80px;
height: 80px;
background: rgba(0, 0, 0, .8);
position: relative;
text-align: center;
}
#burst-12:before,
#burst-12:after {
content: "";
position: absolute;
top: 0;
left: 0;
height: 80px;
width: 80px;
background: rgba(0, 0, 0, .8);
}
#burst-12:before {
-webkit-transform: rotate(30deg);
-moz-transform: rotate(30deg);
-ms-transform: rotate(30deg);
-o-transform: rotate(30deg);
transform: rotate(30deg);
}
#burst-12:after {
-webkit-transform: rotate(60deg);
-moz-transform: rotate(60deg);
-ms-transform: rotate(60deg);
-o-transform: rotate(60deg);
transform: rotate(60deg);
}
/* 钻石 */
#cut-diamond {
border-style: solid;
border-color: transparent transparent rgba(0, 0, 0, .8) transparent;
border-width: 0 25px 25px 25px;
height: 0;
width: 50px;
position: relative;
margin: 10px 0 80px 0;
}
#cut-diamond:after {
content: "";
position: absolute;
top: 25px;
left: -25px;
width: 0;
height: 0;
border-style: solid;
border-color: rgba(0, 0, 0, .8) transparent transparent transparent;
border-width: 70px 50px 0 50px;
}
/* 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: rgba(0, 0, 0, 1);
-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%;
}
/* 无穷大符号 */
#infinity {
position: relative;
width: 185px;
height: 100px;
}
#infinity:before,
#infinity:after {
content: "";
position: absolute;
top: 0;
left: 0;
width: 60px;
height: 60px;
border: 12px solid rgba(0, 0, 0, 1);
-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);
}
/* 鸡蛋 */
#egg {
width: 112px;
height: 156px;
line-height: 268px;
background-color: rgba(0, 0, 0, .8);
border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
-webkit-border-radius: 63px 63px 63px 63px / 108px 108px 72px 72px;
}
/* 食豆人 */
#pacman {
width: 0px;
height: 0px;
border-right: 60px solid transparent;
border-top: 60px solid rgba(0, 0, 0, .8);
border-left: 60px solid rgba(0, 0, 0, .8);
border-bottom: 60px solid rgba(0, 0, 0, .8);
border-top-left-radius: 60px;
border-top-right-radius: 60px;
border-bottom-left-radius: 60px;
border-bottom-right-radius: 60px;
}
/* 提示对话框 */
#talkbubble {
margin-bottom: 10px;
width: 120px;
height: 80px;
background: rgba(0, 0, 0, .8);
position: relative;
-moz-border-radius: 10px;
-webkit-border-radius: 10px;
border-radius: 10px;
}
#talkbubble:before {
content:"";
position: absolute;
right: 100%;
top: 30px;
width: 0;
height: 0;
border-top: 12px solid transparent;
border-right: 26px solid rgba(0, 0, 0, .8);
border-bottom: 6px solid transparent;
}
#yin-yang {
width: 96px;
height: 48px;
background: #eee;
border-color: rgba(0, 0, 0, .8);
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 rgba(0, 0, 0, .8);
border-radius: 100%;
width: 12px;
height: 12px;
}
#yin-yang:after {
content: "";
position: absolute;
top: 50%;
left: 50%;
background: rgba(0, 0, 0, .8);
border: 18px solid #eee;
border-radius:100%;
width: 12px;
height: 12px;
}
</style>
</head>
<body>
<div>
<span id="circle">圆</span>
<span id="oval">椭圆</span>
</div>
<div>
<span id="triangle-up"></span>
<span id="triangle-down"></span>
<span id="triangle-left"></span>
<span id="triangle-right"></span>
</div>
<div>
<span id="triangle-topleft"></span>
<span id="triangle-topright"></span>
<span id="triangle-bottomleft"></span>
<span id="triangle-bottomright"></span>
</div>
<div>
<span id="parallelogram">平行四边形</span>
<span id="trapezoid">梯形</span>
<span id="pentagon"></span>
<span id="hexagon"></span>
<span id="octagon">八边形</span>
</div>
<div>
<span id="star-five"></span>
<span id="star-six"></span>
<span id="burst-8"></span>
<span id="burst-12"></span>
</div>
<div>
<span id="cut-diamond"></span>
<span id="heart"></span>
<span id="infinity"></span>
<span id="egg">鸡蛋</span>
<span id="pacman"></span>
<span id="talkbubble"></span>
<span id="yin-yang"></span>
</div>
</body>
</html>
