canvas {
    width: 960px;
    height: 720px;
    background-color: #000;
    image-rendering: pixelated;
}
textarea {
    width: 100%;
    height: 720px;
    box-sizing: border-box;
    font-family: UbuntuMono, sans-serif;
    white-space: nowrap;
}
table td {
    padding: 2px;
}
table.sp-controls td {
    padding: 0 2px;
}