HTML+css盒子模型案例(圆，半圆等)“border-radius” 简单易上手

ID:16312 / 打印

很多小伙伴在前端学习的时候，发现盒子模型默认为正方形。如何把盒子变成想要的模型呢？首先我们来看一下默认的情况----

 <!DOCTYPE html> <html lang="en"> <head>     <meta charset="UTF-8">     <meta http-equiv="X-UA-Compatible" content="IE=edge">     <meta name="viewport" content="width=, initial-scale=1.0">     <style>         .box{             width: 100px;             height: 100px;             background-color: rgb(116, 51, 51);             box-shadow:0 10px 10px red;             text-align: center;             position:absolute;             margin:0 auto;                left:0;             right:0;             bottom:0;             top:0;          }     </style>     <title>Document</title> </head> <body>     <div class="box">      </div> </body> </html>

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默认情况下为正方形，也许小伙伴觉得不太好看。我们换成圆形的试试！

 <!DOCTYPE html> <html lang="en"> <head>     <meta charset="UTF-8">     <meta http-equiv="X-UA-Compatible" content="IE=edge">     <meta name="viewport" content="width=device-width, initial-scale=1.0">     <style>         .box{             width: 100px;             height: 100px;             border-radius: 50%;             background-color: rgb(28, 99, 60);             border: 5px solid rgb(55, 0, 255);             position: absolute;             margin: 0 auto;             left: 0;             right: 0;             bottom: 0;             top: 0;         }     </style>     <title>Round</title> </head> <body>     <div class="box">      </div> </body> </html>

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看一下我们变成了圆形！来看看半圆形的吧！

 <!DOCTYPE html> <html lang="en"> <head>     <meta charset="UTF-8">     <meta http-equiv="X-UA-Compatible" content="IE=edge">     <meta name="viewport" content="width=device-width, initial-scale=1.0">     <style>         .box{             width: 100px;             height: 50px;             background-color: rgb(175, 42, 216);             border: 3px solid rgb(26, 236, 26);             border-top-right-radius: 50px;             border-top-left-radius: 50px;             position:absolute;             margin: 0 auto;             left: 0;             right: 0;             bottom: 0;             top: 0;         }     </style>     <title>semicircle</title> </head> <body>     <div class="box">      </div> </body> </html>

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来试试其他形状!

 <!DOCTYPE html> <html lang="en"> <head>     <meta charset="UTF-8">     <meta http-equiv="X-UA-Compatible" content="IE=edge">     <meta name="viewport" content="width=device-width, initial-scale=1.0">     <style>         .box{             width: 100px;             height: 100px;             background-color: rgb(82, 84, 223);             border-radius: 20px 15px 20px 10px;             position: absolute;             margin: 0 auto;             left: 0;             bottom: 0;             right: 0;             top: 0;         }     </style>     <title>demo</title> </head> <body>     <div class="box">      </div> </body> </html>

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