html {
    height: 100%;
    width: 100%;
}

body {
    height: 100%;
    width: 100%;
    justify-content: center;
    display: flex;
    text-align: center;
    background: #1C1D24;
}

.body:after {
    position: absolute;
    left: 50%;
    bottom: 1em;
    transform: translateX(-50%);
    content: 'Press arrow keys to start Snake';
    color: white;
    opacity: 0.4;
}

canvas {
    border: 5px solid #272e38;
}