body {
            font-family: Arial, sans-serif;
            margin: 0;
            padding: 0;
            background-color: #f4f4f4;
        }
        header {
            background: linear-gradient(90deg, #f1c40f, #34495e);
            color: #fff;
            padding: 20px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        header h1 {
            margin: 0;
            font-size: 2.5em;
            animation: slideIn 1s ease forwards;
        }
        nav {
            margin: 10px 0;
            animation: fadeIn 1s ease forwards;
        }
        nav a {
            color: #fff;
            margin: 0 15px;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        nav a:hover {
            color: #ffcc00; /* Goldene Farbe beim Hover */
        }
        @keyframes slideIn {
            from {
                transform: translateY(-50px);
                opacity: 0;
            }
            to {
                transform: translateY(0);
                opacity: 1;
            }
        }
        @keyframes fadeIn {
            from {
                opacity: 0;
            }
            to {
                opacity: 1;
            }
        }
        section {
            padding: 20px;
            margin: 20px 0;
            background: #fff;
            border-radius: 5px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }
        #slider {
            position: relative;
            max-width: 600px;
            margin: auto;
            overflow: hidden;
        }
        #slider img {
            width: 100%;
            display: none;
            opacity: 0;
            transition: opacity 1s ease-in-out;
        }
        #slider img.active {
            display: block;
            opacity: 1;
        }
        .nav-button {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            background-color: rgba(0, 0, 0, 0.5);
            color: white;
            border: none;
            padding: 10px;
            cursor: pointer;
            z-index: 10;
        }
        .prev {
            left: 10px;
        }
        .next {
            right: 10px;
        }
        form {
            display: flex;
            flex-direction: column;
        }
        form input, form textarea {
            margin: 10px 0;
            padding: 10px;
            border: 1px solid #ccc;
            border-radius: 5px;
        }
        form button {
            padding: 10px;
            background: #333;
            color: #fff;
            border: none;
            border-radius: 5px;
            cursor: pointer;
        }
        #guestbook {
            max-width: 600px;
            margin: auto;
        }