body {
    font-family: Arial, sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: #f0f0f0;
    margin: 0;
    padding: 20px;
}

h1 {
    color: #333;
}

.controls, .info {
    margin: 15px 0;
    text-align: center;
}

.game-board {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    width: 100%;
    max-width: 800px;
    height: 350px;
    background-color: #ddd;
    border-bottom: 5px solid #666;
    padding-bottom: 20px;
    box-sizing: border-box;
}

.tower {
    display: flex;
    flex-direction: column-reverse;
    align-items: center;
    width: 33.33%;
    height: 100%;
    position: relative;
}

.peg {
    background-color: #666;
    width: 10px;
    height: 100%;
    position: absolute;
    bottom: 0;
}

.disk {
    background-color: #007bff;
    height: 25px;
    border-radius: 5px;
    margin-bottom: 2px;
    transition: transform 0.3s ease-in-out, background-color 0.2s;
    cursor: pointer;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

.disk.selected {
    transform: translateY(-20px);
    background-color: #ffc107;
}

#message {
    font-weight: bold;
    color: #d9534f;
    min-height: 20px;
}

#message.win {
    color: #5cb85c;
}