CSS实现图形效果

CSS实现正方形、长方形、圆形、半圆、椭圆、三角形、平行四边形、菱形、梯形、六角星、五角星、心形、消息框。

正方形

<section><div id="square"></div>
</section>
<style type="text/css">#square{width: 100px;height: 100px;background: #4C98F7;}
</style>

长方形

<section><div id="rectangle"></div>
</section>
<style type="text/css">#rectangle{width: 200px;height: 100px;background: #4C98F7;}
</style>

圆形

<section><div id="circle"></div>
</section>
<style type="text/css">#circle{width: 100px;height: 100px;background: #4C98F7;border-radius: 50%;}
</style>

半圆

<section><div id="semicircle"></div>
</section>
<style type="text/css">#semicircle{width: 100px;height: 50px;background: #4C98F7;border-radius: 100px 100px 0 0;}
</style>

椭圆

<section><div id="oval"></div>
</section>
<style type="text/css">#oval{width: 100px;height: 50px;background: #4C98F7;border-radius: 100px / 50px;}
</style>

三角形

<section><div id="regular-triangle"></div>
</section>
<style type="text/css">#regular-triangle{width: 0;height: 0;border-left: 50px solid transparent;border-right: 50px solid transparent;border-bottom: 100px solid #4C98F7;}
</style><section><div id="corner-triangle"></div>
</section>
<style type="text/css">#corner-triangle{width: 0;height: 0;border-top: 100px solid #4C98F7;border-right: 100px solid transparent;}
</style>

平行四边形

<section><div id="parallelogram"></div>
</section>
<style type="text/css">#parallelogram{margin: 0 15px;width: 200px; height: 100px; transform: skew(-20deg); background: #4C98F7;}
</style>

菱形

<section><div id="diamond"></div>
</section>
<style type="text/css">#diamond {width: 0;height: 0;border: 100px solid transparent;border-bottom-color: #4C98F7;position: relative;top: -100px;}#diamond:after {content: "";position: absolute;left: -100px;top: 100px;width: 0;height: 0;border: 100px solid transparent;border-top-color: #4C98F7;}
</style>

六角星

<section><div id="hexagons"></div>
</section>
<style type="text/css">#hexagons {width: 0;height: 0;border: 100px solid transparent;border-bottom-color: #4C98F7;position: relative;top: -100px;}#diamond:after {content: "";position: absolute;left: -100px;top: 100px;width: 0;height: 0;border: 100px solid transparent;border-top-color: #4C98F7;}
</style>

五角星

<section><div id="five-pointed-star"></div>
</section>
<style type="text/css">#five-pointed-star { margin: 100px 0 50px 0; position: relative;width: 0px; height: 0px; border-right: 100px solid transparent; border-bottom: 70px solid #4C98F7; border-left: 100px solid transparent; transform: rotate(35deg); }#five-pointed-star:before { content: ""; position: absolute; height: 0; width: 0; top: -45px; left: -65px; border-bottom: 80px solid #4C98F7; border-left: 30px solid transparent; border-right: 30px solid transparent; transform: rotate(-35deg); } #five-pointed-star:after { content: ""; position: absolute; top: 3px; left: -105px; width: 0px; height: 0px; border-right: 100px solid transparent; border-bottom: 70px solid #4C98F7; border-left: 100px solid transparent; transform: rotate(-70deg); }
</style>

心形

<section><div id="five-pointed-star"></div>
</section>
<style type="text/css">#five-pointed-star { margin: 100px 0 50px 0; position: relative;width: 0px; height: 0px; border-right: 100px solid transparent; border-bottom: 70px solid #4C98F7; border-left: 100px solid transparent; transform: rotate(35deg); }#five-pointed-star:before { content: ""; position: absolute; height: 0; width: 0; top: -45px; left: -65px; border-bottom: 80px solid #4C98F7; border-left: 30px solid transparent; border-right: 30px solid transparent; transform: rotate(-35deg); } #five-pointed-star:after { content: ""; position: absolute; top: 3px; left: -105px; width: 0px; height: 0px; border-right: 100px solid transparent; border-bottom: 70px solid #4C98F7; border-left: 100px solid transparent; transform: rotate(-70deg); }
</style>

消息框

<section><div id="message-box"></div>
</section>
<style type="text/css">#message-box { margin: 0 20px;width: 120px; height: 80px; background: #4C98F7; position: relative; border-radius: 10px; } #message-box:before { content:"";position: absolute; right: 100%; top: 26px; width: 0; height: 0; border-top: 13px solid transparent; border-right: 26px solid #4C98F7; border-bottom: 13px solid transparent; }
</style>

示例

<!DOCTYPE html>
<html>
<head><title>CSS实现图形效果</title><style type="text/css">section{margin: 10px 0;}#square{width: 100px;height: 100px;background: #4C98F7;}#rectangle{width: 200px;height: 100px;background: #4C98F7;}#circle{width: 100px;height: 100px;background: #4C98F7;border-radius: 50%;}#semicircle{width: 100px;height: 50px;background: #4C98F7;border-radius: 100px 100px 0 0;}#semicircle{width: 100px;height: 50px;background: #4C98F7;border-radius: 100px 100px 0 0;}#oval{width: 100px;height: 50px;background: #4C98F7;border-radius: 100px / 50px;}#regular-triangle{width: 0;height: 0;border-left: 50px solid transparent;border-right: 50px solid transparent;border-bottom: 100px solid #4C98F7;}#corner-triangle{width: 0;height: 0;border-top: 100px solid #4C98F7;border-right: 100px solid transparent;}#parallelogram{margin: 0 15px;width: 200px; height: 100px; transform: skew(-20deg); background: #4C98F7;}#diamond {width: 0;height: 0;border: 100px solid transparent;border-bottom-color: #4C98F7;position: relative;top: -100px;}#diamond:after {content: "";position: absolute;left: -100px;top: 100px;width: 0;height: 0;border: 100px solid transparent;border-top-color: #4C98F7;}#hexagons{ margin: 35px 0;width: 0; height: 0; border-left: 60px solid transparent; border-right: 60px solid transparent; border-bottom: 60px solid #4C98F7; position: relative; } #hexagons:after { width: 0; height: 0; border-left: 60px solid transparent; border-right: 60px solid transparent; border-top: 60px solid #4C98F7; position: absolute; content: ""; top: 20px; left: -60px; }#five-pointed-star { margin: 100px 0 70px 0; position: relative;width: 0px; height: 0px; border-right: 100px solid transparent; border-bottom: 70px solid #4C98F7; border-left: 100px solid transparent; transform: rotate(35deg); }#five-pointed-star:before { content: ""; position: absolute; height: 0; width: 0; top: -45px; left: -65px; border-bottom: 80px solid #4C98F7; border-left: 30px solid transparent; border-right: 30px solid transparent; transform: rotate(-35deg); } #five-pointed-star:after { content: ""; position: absolute; top: 3px; left: -105px; width: 0px; height: 0px; border-right: 100px solid transparent; border-bottom: 70px solid #4C98F7; border-left: 100px solid transparent; transform: rotate(-70deg); }#heart-shaped {position: relative;width: 100px;height: 90px;}#heart-shaped:before,#heart-shaped:after {content: "";position: absolute;left: 50px;top: 0;width: 50px;height: 80px;background: #4C98F7;border-radius: 50px 50px 0 0;transform: rotate(-45deg);transform-origin: 0 100%;}#heart-shaped:after {left: 0;transform: rotate(45deg);transform-origin: 100% 100%;}#message-box { margin: 0 20px;width: 120px; height: 80px; background: #4C98F7; position: relative; border-radius: 10px; } #message-box:before { content:"";position: absolute; right: 100%; top: 26px; width: 0; height: 0; border-top: 13px solid transparent; border-right: 26px solid #4C98F7; border-bottom: 13px solid transparent; }</style>
</head>
<body><section><div id="square"></div></section><section><div id="rectangle"></div></section><section><div id="circle"></div></section><section><div id="semicircle"></div></section><section><div id="oval"></div></section><section><div id="regular-triangle"></div></section><section><div id="corner-triangle"></div></section><section><div id="parallelogram"></div></section><section><div id="diamond"></div></section><section><div id="hexagons"></div></section><section><div id="five-pointed-star"></div></section><section><div id="heart-shaped"></div></section><section><div id="message-box"></div></section>
</body>
</html>

每日一题

https://github.com/WindrunnerMax/EveryDay

参考

https://www.jianshu.com/p/f40617d863a3
https://css-tricks.com/the-shapes-of-css/
https://www.w3cplus.com/css/create-shapes-with-css