body, html {
    margin: 0;
    padding: 0;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    background-color: #000;
    font-family: 'Consolas', monospace;
}

canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #000;
    z-index: 1;
}

.controls {
    position: absolute;
    bottom: 20px;
    display: flex;
    justify-content: center;
    z-index: 2;
}

button {
    background-color: #0f0;
    border: none;
    padding: 10px 20px;
    margin: 0 10px;
    color: #000;
    font-size: 16px;
    cursor: pointer;
    opacity: 0.4;
    border-radius: 5px;
    transition: background-color 0.3s, transform 0.2s;
}

button:hover {
    background-color: #00ff00;
    transform: scale(1.1);
}

button:active {
    background-color: #0a0;
    transform: scale(0.9);
}