html {
    font-family: sans-serif;
}

body {
    background-color: #000;
    margin: 0;
}

h1 {
    font-size: 1.5em;
    font-weight: bold;
    margin: 0;
}

#header {
    color: #e0e0e0;
    font-size: 1.5em;
    font-weight: bold;
    margin: 0;
    padding: 0.5em;
}

#game-canvas {
  border: 1px solid #000000;
}