body {
    font-family: Arial, sans-serif;
    text-align: center;
    background-color: #f7f7f7;
    margin: 0;
    padding: 50px;
}

h1 {
    font-size: 2.5em;
    margin-bottom: 20px;
}

#game-container {
    display: grid;
    grid-template-columns: repeat(3, 150px);
    gap: 20px;
    justify-content: center;
}

.hole {
    width: 150px;
    height: 150px;
    background-color: #8b4513;
    border-radius: 50%;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.mole {
    width: 100px;
    height: 100px;
    background-color: #000;
    border-radius: 50%;
    position: absolute;
    bottom: -100px;
    left: 25px;
    transition: bottom 0.3s ease;
}

.mole.up {
    bottom: 0;
}

#start-button {
    margin-top: 30px;
    padding: 10px 20px;
    font-size: 1.5em;
    background-color: #28a745;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

#start-button:hover {
    background-color: #218838;
}