body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f0f0f0;
}

h1, h2 {
    text-align: center;
}

table {
    width: 90%;
    margin: 20px auto;
    border-collapse: collapse;
}

table, th, td {
    border: 1px solid #ddd;
    padding: 10px;
}

th {
    background-color: #f2f2f2;
}

#monthly-results {
    text-align: center;
    margin-top: 30px;
}

button {
    display: block;
    margin: 20px auto;
    padding: 10px 20px;
    background-color: #4CAF50;
    color: white;
    border: none;
    cursor: pointer;
}

button:hover {
    background-color: #45a049;
}

#game-history {
    margin-top: 30px;
    text-align: center;
}

#games-list {
    list-style-type: none;
    padding: 0;
}

#games-list li {
    margin: 10px 0;
    padding: 10px;
    background-color: #f9f9f9;
    border: 1px solid #ddd;
    cursor: pointer;
}

#games-list li:hover {
    background-color: #f1f1f1;
}

#game-details table {
    margin: 0 auto;
}