animation-name 动画名称

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>CSS 滑入动画演示</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            margin: 0;
            background-color: #f5f5f5;
        }
        
        .container {
            width: 80%;
            max-width: 600px;
            text-align: center;
        }
        
        .slide-element {
            background-color: #4CAF50;
            color: white;
            padding: 20px;
            border-radius: 5px;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
            margin-bottom: 20px;
            
            /* 动画设置 */
            animation-name: slide-in;
            animation-duration: 1s;
            animation-timing-function: ease-out;
            animation-fill-mode: both;
        }
        
        button {
            padding: 10px 20px;
            background-color: #2196F3;
            color: white;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            font-size: 16px;
            transition: background-color 0.3s;
        }
        
        button:hover {
            background-color: #0b7dda;
        }
        
        @keyframes slide-in {
            from {
                transform: translateX(-100%);
                opacity: 0;
            }
            to {
                transform: translateX(0);
                opacity: 1;
            }
        }
        
        /* 添加一个额外的动画示例 */
        .slide-element.delay {
            animation-delay: 0.5s;
        }
        
        .slide-element.fast {
            animation-duration: 0.5s;
        }
    </style>
</head>
<body>
    <div class="container">
        <h1>CSS 滑入动画演示</h1>
        
        <div class="slide-element">
            这是一个滑入动画的元素
        </div>
        
        <div class="slide-element delay">
            这个元素有0.5秒延迟
        </div>
        
        <div class="slide-element fast">
            这个元素动画速度更快
        </div>
        
        <button id="replay">重新播放动画</button>
    </div>
    
    <script>
        document.getElementById('replay').addEventListener('click', function() {
            const elements = document.querySelectorAll('.slide-element');
            
            // 移除动画类
            elements.forEach(el => {
                el.style.animation = 'none';
                void el.offsetWidth; // 触发重绘
            });
            
            // 重新添加动画
            setTimeout(() => {
                elements.forEach(el => {
                    el.style.animation = '';
                });
            }, 10);
        });
    </script>
</body>
</html>