有趣的css图形实现
css通过 border 、border-radius 、transform，实现各种图形。
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>css图形实现</title>
<style type="text/css">
div{
margin:20px;
}
/*css图形变换原理*/
#border-Style-w{
width: 100px;
height: 100px;
border-top:100px solid #0f0;
border-right:100px solid #f00;
border-bottom:100px solid #f0f;
border-left:100px solid #00f;
}
#border-Style{
width: 0;
height: 0;
position: relative;
border-top:100px solid #0f0;
border-right:100px solid #f00;
border-bottom:100px solid #f0f;
border-left:100px solid #00f;
}
#border-Style:before{
content: '';
width: 0;
height: 0;
border-left:1px solid #000;
border-top:110px solid #000;
border-bottom:110px solid #000;
}
#border-Style:after{
content: '';
width: 0;
height: 0;
position: absolute;
left:-105px;
top:0;
border-left:110px solid #000;
border-top:1px solid #000;
border-right:110px solid #000;
}
/*正方形*/
#square{
width: 100px;
height: 100px;
background-color:red;
}
/*矩形*/
#rectangle{
width: 200px;
height: 100px;
background-color: red;
}
/*圆*/
#cricle{
width: 100px;
height: 100px;
background-color: red;
border-radius:50%;
}
/*椭圆*/
#oval{
width: 200px;
height: 100px;
background-color: red;
border-radius:100px/50px;//????
}
/*上三角*/
#triangle-Up{
width: 0;
height: 0;
border-bottom: 40px solid red;
border-left:20px solid transparent;
border-right:20px solid transparent;
}
/*下三角*/
#triangle-Down{
width: 0;
height: 0;
border-top:40px solid red;
border-left:20px solid transparent;
border-right:20px solid transparent;
}
/*左下三角*/
#triangle-BottomLeft{
width: 0;
height: 0;
border-bottom: 40px solid red;
border-right:40px solid transparent;
}
/*右下三角*/
#triangle-BottomRight{
width: 0;
height: 0;
border-bottom:40px solid red;
border-left:40px solid transparent;
}
/*左上三角*/
#triangle-TopLeft{
width: 0;
height: 0;
border-top:40px solid red;
border-right:40px solid transparent;
}
/*右上三角*/
#triangle-TopRight{
width: 0;
height: 0;
border-top:40px solid red;
border-left:40px solid transparent;
}
/*旋转箭头*/
#curvedarrow{
position:relative;
width: 0;
height: 0;
border-top:9px solid transparent;
border-right:9px solid red;
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;
transform:rotate(45deg);
}
/*旋转箭头*/
#curvedarrow01{
position: relative;
width: 0;
height: 0;
border-bottom: 9px solid red;
border-right:9px solid transparent;
transform:rotate(65deg);
}
#curvedarrow01:after{
content:"";
position:absolute;
border:0 solid transparent;
border-top:3px solid red;
border-radius:20px 0 0 0;
width: 12px;
height: 12px;
top:-10px;
left:-2px;
transform:rotate(135deg);
}
/*旋转箭头*/
#curvedarrow02{
position: relative;
width: 0;
height: 0;
border-top:9px solid red;
border-right:9px solid transparent;
transform: rotate(15deg);
}
#curvedarrow02:after{
content:"";
position:absolute;
border:0 solid transparent;
border-top:3px solid red;
border-radius:20px 0 0 0;
width: 12px;
height: 12px;
top:-15px;
left:4px;
transform:rotate(215deg);
}
/*梯形*/
#trapezoid{
width: 100px;
height: 0;
border-bottom: 40px solid red;
border-left:40px solid transparent;
border-right:40px solid transparent;
}
/*平行四边形*/
#parallelogram{
width: 200px;
height: 100px;
transform:skew(20deg);
background-color: red;
}
/*六角形*/
#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-top:100px solid red;
border-right:50px solid transparent;
border-left:50px solid transparent;
position:absolute;
top:30px;
left:-50px;
content:"";
}
/*五角星*/
#star-Five{
margin: 50px 0;
position: relative;
display:block;
color:red;
width: 0;
height: 0;
border-right:100px solid transparent;
border-bottom:70px solid red;
border-left:100px solid transparent;
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:"";
transform:rotate(-35deg);
}
#star-Five:after{
position:absolute;
display:block;
color:red;
top:3px;
left:-105px;
width: 0;
height: 0;
border-right:100px solid transparent;
border-bottom:70px solid red;
border-left:100px solid transparent;
transform:rotate(-70deg);
content:"";
}
/*五角形*/
#pentagon{
position:absolute;
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;
}
/*六角形*/
#hexagon{
margin: 200px 0 0 0;
width: 100px;
height: 55px;
background-color: 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;
}
/*八边形*/
#octagon{
margin: 100px 0 0 0;
width: 100px;
height: 100px;
background-color: 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;
}
/*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-color: 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%;
}
/*无穷大*/
#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);
}
/*月亮*/
#moon{
width: 80px;
height: 80px;
border-radius:50%;
box-shadow:15px 15px 0 0 red;
}
/*圆锥*/
#cone{
width: 0;
height: 0;
border-left: 70px solid transparent;
border-right: 70px solid transparent;
border-top:100px solid red;
border-radius:50%;
}
/*太急*/
#taiji{
width: 96px;
height: 48px;
background-color: #fff;
border:2px solid #000;
border-bottom-width: 50px;
border-radius:100%;
position:relative;
}
#taiji:before{
content:'';
position:absolute;
top:50%;
left:0;
background-color: #fff;
border:18px solid #000;
border-radius:100%;
width: 12px;
height: 12px;
}
#taiji:after{
content:'';
position:absolute;
top:50%;
left:50%;
background-color:#000;
border:18px solid #fff;
border-radius:100%;
width: 12px;
height: 12px; }
/*对话框*/
#talkbubble{
width: 120px;
height: 80px;
background-color: #fff;
position:relative;
border-radius:10px;
border:2px solid #ccc;
}
#talkbubble:after{
content:'';
position:absolute;
width: 0;
height: 0;
border-top:13px solid transparent;
border-right:26px solid #ccc;
border-bottom: 13px solid transparent;
right: 100%;
top:26px;
}
</style>
</head>
<body>
<div id="border-Style-w"></div>
<div id="border-Style"></div>
<div id="square"></div>
<div id="rectangle"></div>
<div id="cricle"></div>
<div id="oval"></div>
<div id="triangle-Up"></div>
<div id="triangle-Down"></div>
<div id="triangle-BottomLeft"></div>
<div id="triangle-BottomRight"></div>
<div id="triangle-TopLeft"></div>
<div id="triangle-TopRight"></div>
<div id="curvedarrow"></div>
<div id="curvedarrow01"></div>
<div id="curvedarrow02"></div>
<div id="trapezoid"></div>
<div id="parallelogram"></div>
<div id="star-Six"></div>
<div id="star-Five"></div>
<div id="pentagon"></div>
<div id="hexagon"></div>
<div id="octagon"></div>
<div id="heart"></div>
<div id="infinity"></div>
<div id="moon"></div>
<div id="cone"></div>
<div id="taiji"></div>
<div id="talkbubble"></div>
</body>
</html>
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