styles.css

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  background-color: var(--mono-dark);
  color: var(--mono-light);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen",
    "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue",
    sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;

  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

canvas {
  image-rendering: pixelated;
  image-rendering: -moz-crisp-edges;
  image-rendering: crisp-edges;
}

h1 {
  position: absolute;
  top: 15px;
  left: 15px;
  opacity: 0.8;
}

h3#score {
  position: absolute;
  top: 15px;
  right: 15px;
  opacity: 0.8;
}

h3#hi {
  position: absolute;
  top: calc(15px + 1em);
  right: 15px;
  opacity: 0.8;
}

#victory {
  font-size: 4vmin;
}

.hidden {
  display: none;
}

#victory em {
  font-size: .5em;
}