body {
    margin: 0;
    background-color: black;
    color: white;
    font-family: 'Courier New', monospace;
    overflow: hidden;
}

canvas {
    display: block;
    margin: 0 auto;
    background-color: #111;
    border: 2px solid red;
}

#ui-overlay {
    position: absolute;
    top: 10px;
    left: 10px;
    width: calc(100% - 20px);
    text-align: center;
    z-index: 10;
}

#textbox {
    margin-bottom: 10px;
    font-size: 1.2em;
    color: crimson;
}

#commands button {
    margin: 5px;
    padding: 10px 20px;
    background-color: #222;
    border: 1px solid red;
    color: white;
    cursor: pointer;
}

#commands button:hover {
    background-color: crimson;
}