body {
            font-family: sans-serif;
            background: #111;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            margin: 0;
        }

        .carousel {
            position: relative;
            width: 500px;
            height: 300px;
            overflow: hidden;
            border-radius: 10px;
        }

        .carousel-images {
            display: flex;
            transition: transform 0.5s ease-in-out;
            width: 100%;
        }

        .carousel-images img {
            width: 500px;
            height: 300px;
            object-fit: cover;
        }

        .btn {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            background: rgba(0,0,0,0.5);
            color: white;
            border: none;
            font-size: 24px;
            padding: 10px;
            cursor: pointer;
            z-index: 2;
            border-radius: 50%;
        }

        .btn.left { left: 10px; }
        .btn.right { right: 10px; }