body {
            font-family: sans-serif;
            background-color: #222;
            color: #fff;
            margin: 0;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            flex-direction: column;
        }
        .slideshow-container {
            position: relative;
            max-width: 800px;
            width: 90%;
            margin: auto;
            box-shadow: 0 0 20px rgba(0,0,0,0.5);
        }
        .slide {
            display: none;
            width: 100%;
        }
        .slide img {
            width: 100%;
            height: auto;
            vertical-align: middle;
        }
        .prev, .next {
            cursor: pointer;
            position: absolute;
            top: 50%;
            width: auto;
            padding: 16px;
            margin-top: -22px;
            color: white;
            font-weight: bold;
            font-size: 24px;
            transition: 0.6s ease;
            border-radius: 0 3px 3px 0;
            user-select: none;
            background-color: rgba(0,0,0,0.5);
        }
        .next {
            right: 0;
            border-radius: 3px 0 0 3px;
        }
        .prev:hover, .next:hover {
            background-color: rgba(0,0,0,0.8);
        }
        .caption {
            text-align: center;
            font-size: 18px;
            padding: 15px;
            color: #ddd;
        }
        .fade {
            animation-name: fade;
            animation-duration: 1.5s;
        }
        @keyframes fade {
            from {opacity: .4}
            to {opacity: 1}
        }
        .back-link {
            margin-top: 20px;
            font-size: 16px;
        }
        .back-link a {
            color: #4a90e2;
            text-decoration: none;
        }
        .back-link a:hover {
            text-decoration: underline;
        }