body {
            background-color: #505257;
            font-family: Arial, sans-serif;
            margin: 20px;
        }
        .leaderboard {
            margin-bottom: 10px;
            display: flex;
            flex-direction: column;
        }
        .progressbar-box {
            align-items: center;
            display: flex;
        }
        .progressbar {
            width: 70%;
            height: 20px;
            accent-color: #4caf50;
        }