css 半圆效果


<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style type="text/css">
        .div1{
            width: 50px;
            height: 50px;
            background-color: #239285;
            margin: 30px;
        }
        .div2{
            width:100px;
            height: 50px;
            background-color: #239587;
            border-radius: 50px 50px 0 0;
        }
        .div3{
            width: 50px;
            height: 100px;
            background-color: #231587;
            border-radius: 0 50px 50px 0;
        }
        .div4{
            width: 100px;
            height: 50px;
            background-color: #219587;
            border-radius: 0 0 50px 50px;
        }
        .div5{
            width: 50px;
            height: 100px;
            background-color: #239597;
            border-radius: 50px 0 0 50px;
        }
    </style>
</head>
<body>
<div class="div1"></div>
<div class="div2"></div>
<div class="div3"></div>
<div class="div4"></div>
<div class="div5"></div>
</body>
</html>

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原文地址：https://www.cnblogs.com/Byme/p/10559549.html