.mtg-history-container, .mtg-leaderboard {
    max-width: 1000px;
    margin: 20px auto;
    padding: 20px;
    background: #f9f9f9;
    border-radius: 8px;
}
#mtg-game-selector, #mtg-leaderboard-game {
    margin-bottom: 20px;
    padding: 5px;
}
#mtg-progress-chart {
    background: white;
    margin-bottom: 20px;
}
#mtg-history-table {
    width: 100%;
    border-collapse: collapse;
}
#mtg-history-table th, #mtg-history-table td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: left;
}
.mtg-leaderboard ul {
    list-style: none;
    padding: 0;
}
.mtg-leaderboard li {
    padding: 8px;
    border-bottom: 1px solid #eee;
}