Arial, sans-serif;
            margin: 0;
            padding: 0;
            background-color: var(--bg);
            color: var(--text);
            text-align: center;
        }
        header {
            background-color: var(--primary);
            color: #fff;
            padding: 20px;
            font-size: 2em;
        }
        .content {
            padding: 20px;
        }
        .buttons {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
          