CSS3 盒阴影 | 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 盒阴影演示</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 30px;
            padding: 30px;
            background-color: #f5f5f5;
        }
        
        .shadow-box {
            width: 200px;
            height: 150px;
            background-color: white;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            transition: all 0.3s ease;
        }
        
        /* 基础阴影 */
        .basic-shadow {
            box-shadow: 5px 5px 10px rgba(0, 0, 0, 0.3);
        }
        
        /* 内阴影 */
        .inset-shadow {
            box-shadow: inset 0 0 15px rgba(0, 0, 0, 0.5);
        }
        
        /* 多重阴影 */
        .multi-shadow {
            box-shadow: 
                3px 3px 5px rgba(0, 0, 0, 0.2),
                -1px -1px 5px rgba(255, 255, 255, 0.8);
        }
        
        /* 扩散阴影 */
        .spread-shadow {
            box-shadow: 0 0 0 5px rgba(70, 130, 180, 0.5);
        }
        
        /* 浮动效果 */
        .float-effect {
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        
        /* 霓虹效果 */
        .neon-effect {
            box-shadow: 
                0 0 5px #fff,
                0 0 10px #fff,
                0 0 15px #0073e6,
                0 0 20px #0073e6;
            background-color: black;
            color: white;
        }
        
        /* 悬停效果 */
        .hover-effect {
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
        }
        
        .hover-effect:hover {
            box-shadow: 0 8px 15px rgba(0, 0, 0, 0.3);
            transform: translateY(-5px);
        }
    </style>
</head>
<body>
    <div class="shadow-box basic-shadow">基础阴影效果</div>
    <div class="shadow-box inset-shadow">内阴影效果</div>
    <div class="shadow-box multi-shadow">多重阴影效果</div>
    <div class="shadow-box spread-shadow">扩散阴影效果</div>
    <div class="shadow-box float-effect">浮动效果</div>
    <div class="shadow-box neon-effect">霓虹效果</div>
    <div class="shadow-box hover-effect">悬停效果<br>(鼠标移上来)</div>
</body>
</html>