#instruction-popup {
    position: absolute;
    top: 15%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    font-family: 'Press Start 2P', cursive;
    z-index: 10;
}

#instruction-popup p {
    margin-bottom: 20px;
}

#instruction-popup button {
    padding: 10px 20px;
    background-color: #444;
    color: white;
    border: none;
    cursor: pointer;
    font-family: 'Press Start 2P', cursive;
}

#instruction-popup button:hover {
    background-color: #666;
}