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How to use css to draw some small graphics using border and border-radius (code example)
- 青灯夜游Original
- 2018-09-21 17:45:424267browse
In page development, some small graphics are often needed to beautify the page. These graphics can be displayed in the form of pictures, but it takes time to load the pictures each time the page is loaded. So how to implement these graphics using CSS? This chapter will introduce to you how to use CSS to draw some small graphics using border and border-radius (code examples). It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.
Most of us know that the border attribute has four parameters, so border-radius must also have four parameters.
We know that the four parameters of the border attribute are border-top, border-right, and border. -bottom, border-left.(clockwise)
So what are the four parameters of border-radius?
border-radius: top left, top right, bottom right, bottom left;
Below we use border-radius to draw some common pictures.
1.Simple circle
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<style type="text/css">
#div{
width: 200px;
height: 200px;
background: red;
border-radius: 50%;
}
</style>
</head>
<body>
<div id="div">
</div>
</body>
</html>Rendering:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<style type="text/css">
#div{
width: 100px;
height: 200px;
background: red;
border-radius: 50%;
}
</style>
</head>
<body>
<div id="div">
</div>
</body>
</html> Rendering:  "153752285547213How to use css to draw some small graphics using border and border-radius (code example)")
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<style type="text/css">
#div{
position: relative;
width: 200px;
height: 180px;
border: 1px solid black;
}
.left{
position: absolute;
top: 0;
left: 100px;
width: 100px;
height: 170px;
background: red;
/*左下角为旋转基点*/
transform-origin: 0 100%;
transform: rotate(-45deg);
border-radius: 50% 50% 0 0;
/*让left的上左和上右变成圆形就可以*/
}
.right{
position: absolute;
top: 0;
left: 0px;
width: 100px;
height: 170px;
background: red;
/*右下角为旋转基点*/
transform-origin: 100% 100%;
transform: rotate(45deg);
border-radius: 50% 50% 0 0;
/*让right的上左和上右变成圆形就可以*/
}
</style>
</head>
<body>
<div id="div">
<div class="left"></div>
<div class="right"></div>
</div>
</body>
</html> Rendering:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<style type="text/css">
#div{
position: relative;
width: 100px;
height: 180px;
background: red;
border-radius: 50% 50% 50% 50%/60% 60% 40% 40%;
/*border-radius参数在／左右的区别，／左边是四个圆角的水平半径／右边是四个圆角垂直半径*/
}
</style>
</head>
<body>
<div id="div">
</div>
</body>
</html>Rendering: "153752291729372How to use css to draw some small graphics using border and border-radius (code example)")
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<style type="text/css">
#div {
width: 120px;
height: 80px;
background: red;
position: relative;
border-radius: 10px;
margin-left: 50px;
}
#div: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;
}
</style>
</head>
<body>
<div id="div">
</div>
</body>
</html>Rendering picture: "153752295470853How to use css to draw some small graphics using border and border-radius (code example)")
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<style type="text/css">
#baGua {
width: 96px;
height: 48px;
background: #eee;
border-color: red;
border-style: solid;
border-width: 2px 2px 50px 2px;
border-radius: 100%;
position: relative;
}
#baGua:before {
content: "";
position: absolute;
top: 50%;
left: 0;
background: #eee;
border: 18px solid red;
border-radius: 50%;
width: 12px;
height: 12px;
}
#baGua:after {
content: "";
position: absolute;
top: 50%;
left: 50%;
background: red;
border: 18px solid #eee;
border-radius:100%;
width: 12px;
height: 12px;
}
</style>
</head>
<body>
<div id="baGua">
</div>
</body>
</html>Rendering picture:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<style type="text/css">
#wuQ{
position: relative;
width: 212px;
height: 100px;
}
#wuQ:before{
content: "";
position: absolute;
top: 0;
left: 0;
width: 60px;
height: 60px;
border: 20px solid red;
border-radius: 50px 50px 0 50px;
/*下右不变圆弧*/
transform: rotate(-45deg);
}
#wuQ:after{
content: "";
position: absolute;
top: 0;
right: 0;
width: 60px;
height: 60px;
border: 20px solid red;
border-radius: 50px 50px 50px 0;
/*下左不变圆弧*/
transform: rotate(45deg);
}
</style>
</head>
<body>
<div id="wuQ">
</div>
</body>
</html>Rendering:  "153752302538897How to use css to draw some small graphics using border and border-radius (code example)")
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