body {
            margin: 0;
            padding: 20px;
            background-color: #fff;
            font-family: Arial, sans-serif;
            overflow-x: hidden;
        }
        .container {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
        }
        .number {
            font-size: 48px;
            font-weight: bold;
            color: #333;
            user-select: none;
        }