CSS3 边框圆角 | 开创者教程

实例代码

<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>CSS3 边框圆角实例</title>
    <style>
        body {
            font-family: 'Arial', sans-serif;
            max-width: 900px;
            margin: 0 auto;
            padding: 20px;
            background-color: #f5f5f5;
        }
        
        h1 {
            color: #333;
            text-align: center;
            margin-bottom: 30px;
        }
        
        .container {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: center;
        }
        
        .box {
            width: 200px;
            height: 150px;
            background-color: #4a90e2;
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            margin-bottom: 15px;
            box-shadow: 0 3px 6px rgba(0,0,0,0.1);
        }
        
        /* 基本圆角 */
        .basic-radius {
            border-radius: 10px;
        }
        
        /* 圆形 */
        .circle {
            border-radius: 50%;
            width: 150px;
            height: 150px;
        }
        
        /* 椭圆 */
        .oval {
            border-radius: 50%;
            width: 200px;
            height: 150px;
        }
        
        /* 不同角不同半径 */
        .mixed-radius {
            border-radius: 15px 30px 45px 60px;
        }
        
        /* 半圆(顶部) */
        .semi-circle-top {
            border-radius: 100px 100px 0 0;
            height: 100px;
        }
        
        /* 半圆(右侧) */
        .semi-circle-right {
            border-radius: 0 100px 100px 0;
            width: 100px;
        }
        
        /* 按钮样式 */
        .button-style {
            border-radius: 25px;
            width: 150px;
            height: 50px;
            cursor: pointer;
            transition: all 0.3s;
        }
        
        .button-style:hover {
            background-color: #357bd8;
            transform: translateY(-3px);
            box-shadow: 0 5px 10px rgba(0,0,0,0.2);
        }
        
        /* 斜切角 */
        .beveled-corners {
            border-radius: 15px 30px;
        }
        
        /* 卡片样式 */
        .card {
            border-radius: 10px;
            background-color: white;
            color: #333;
            padding: 15px;
            width: 180px;
            height: 120px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        
        .example-title {
            font-weight: bold;
            margin-top: 30px;
            color: #333;
            width: 100%;
            text-align: center;
        }
    </style>
</head>
<body>
    <h1>CSS3 边框圆角实例演示</h1>
    
    <div class="container">
        <div class="example-title">基本圆角效果</div>
        <div class="box basic-radius">border-radius: 10px;</div>
        
        <div class="box circle">border-radius: 50%;<br>(圆形)</div>
        
        <div class="box oval">border-radius: 50%;<br>(椭圆)</div>
        
        <div class="box mixed-radius">四角不同半径<br>15px 30px 45px 60px</div>
    </div>
    
    <div class="container">
        <div class="example-title">特殊形状</div>
        <div class="box semi-circle-top">上半圆<br>100px 100px 0 0</div>
        
        <div class="box semi-circle-right">右半圆<br>0 100px 100px 0</div>
        
        <div class="box beveled-corners">斜切角<br>15px 30px</div>
    </div>
    
    <div class="container">
        <div class="example-title">实用组件</div>
        <div class="box button-style">按钮样式<br>border-radius: 25px</div>
        
        <div class="card">
            <h3>卡片设计</h3>
            <p>border-radius: 10px</p>
        </div>
    </div>
</body>
</html>