    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            overflow: hidden;
            color: white;
            font-size: 72px;
            font-family: Arial, sans-serif;
            text-align: center;
            font-weight: bold;
            position: relative;
        }

        .background-container {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
        }

        .background-image {
            position: absolute;
            width: 100%;
            height: 100%;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            transition: opacity 3s ease-in-out;
            opacity: 0;
        }

        .background-image:first-child {
            opacity: 1;
        }

        .text-container {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            opacity: 0;
            transition: opacity 1.5s ease-in-out;
            text-shadow: 3px 3px 6px rgba(50, 50, 50, 0.8);
        }

        .music-btn {
            position: absolute;
            top: 20px;
            left: 20px;
            padding: 10px 20px;
            font-size: 18px;
            cursor: pointer;
            background: rgba(0, 0, 0, 0.5);
            color: white;
            border: none;
            border-radius: 5px;
        }
    </style>