body {
    font-family: Arial, sans-serif;
    text-align: center;
    background-color: #f0f8ff;
    margin: 0;
    padding: 20px;
}

h1 {
    color: #2e8b57;
}

.game-container {
    margin: 20px auto;
    max-width: 600px;
}

.board {
    display: flex;
    justify-content: center;
    margin: 20px 0;
    gap: 5px;
}

.cell {
    width: 60px;
    height: 60px;
    border: 2px solid #2e8b57;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    cursor: pointer;
    background-color: white;
    transition: transform 0.2s;
}

.cell:hover {
    transform: scale(1.1);
}

.frog-left {
    background-color: #ff6b6b;
    color: white;
}

.frog-right {
    background-color: #4ecdc4;
    color: white;
}

.empty {
    background-color: #f0f0f0;
}

.controls {
    margin: 20px 0;
}

button {
    padding: 10px 20px;
    font-size: 16px;
    background-color: #2e8b57;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background-color: #3cb371;
}

.message {
    font-size: 18px;
    color: #2e8b57;
    height: 24px;
}

.settings {
    margin-bottom: 20px;
}

.settings select, .settings button {
    padding: 8px 12px;
    font-size: 16px;
    margin-right: 10px;
    border-radius: 5px;
}

.settings select {
    border: 1px solid #2e8b57;
}

.settings button {
    background-color: #2e8b57;
    color: white;
    border: none;
    cursor: pointer;
}

.settings button:hover {
    background-color: #3cb371;
}

.game-info {
    display: flex;
    justify-content: space-between;
    margin: 10px 0;
    font-size: 18px;
    font-weight: bold;
}

.leaderboard {
    margin-top: 30px;
    background-color: #f9f9f9;
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.leaderboard h2 {
    color: #2e8b57;
    margin-top: 0;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 10px;
    text-align: center;
    border-bottom: 1px solid #ddd;
}

th {
    background-color: #2e8b57;
    color: white;
}

tr:nth-child(even) {
    background-color: #f2f2f2;
}