body {
            background: url('../img/nền.jpg') no-repeat center center/cover;
           
        }

        main {
            max-width: 1000px;
            margin: 0 auto;
            background: #3f112941;
            border: 5px solid #333; 
            border-radius: 15px;
            padding: 20px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
        }

        h1 {
            text-align: center;
            color: #ffffff;
            margin-bottom: 20px;
        }

        .list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
            gap: 20px;
        }

        .item {
            background-color: #fff;
            border: 3px solid #555;
            border-radius: 15px;
            padding: 15px;
            text-align: center;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .item:hover {
            transform: scale(1.03);
            box-shadow: 0 8px 16px rgba(0, 0, 0, 0.4);
        }

        .item img {
            width: 100%;
            height: 300px;
            object-fit: cover;
            border-radius: 10px;
            margin-bottom: 10px;
        }

        .item p {
            font-size: 16px;
            color: #444;
            text-align: justify;
        }