如何让首页在抖动中全屏显示

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>抖动全屏首页</title>
    <link rel="stylesheet" href="styles.css">
</head>
<body>
    <div class="fullscreen-container">
        <div class="content">
            <h1>欢迎来到我们的网站</h1>
            <p>这是一个带有抖动效果的全屏首页。</p>
        </div>
    </div>
</body>
</html>

body, html {
    margin: 0;
    padding: 0;
    height: 100%;
    overflow: hidden;
}

.fullscreen-container {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    animation: shake 2s infinite;
}

.content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: white;
    background: rgba(0, 0, 0, 0.5);
    padding: 20px;
    border-radius: 10px;
}

@keyframes shake {
    0% { transform: translate(1px, 1px) rotate(0deg); }
    10% { transform: translate(-1px, -2px) rotate(-1deg); }
    20% { transform: translate(-3px, 0px) rotate(1deg); }
    30% { transform: translate(3px, 2px) rotate(0deg); }
    40% { transform: translate(1px, -1px) rotate(1deg); }
    50% { transform: translate(-1px, 2px) rotate(-1deg); }
    60% { transform: translate(-3px, 1px) rotate(0deg); }
    70% { transform: translate(3px, 1px) rotate(-1deg); }
    80% { transform: translate(-1px, -1px) rotate(1deg); }
    90% { transform: translate(1px, 2px) rotate(0deg); }
    100% { transform: translate(1px, -2px) rotate(-1deg); }
}