/* Remove default page spacing and hide scrollbars */
html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
}

/* The ocean: light blue at the top fading to deep blue at the bottom */
body {
  background: linear-gradient(to bottom, #4fc3f7, #0277bd 50%, #01243f);
}

/* The canvas covers the whole window; it is transparent so the gradient shows through */
#ocean {
  display: block;
  width: 100%;
  height: 100%;
}