html, body {
  width: 100%;
  height: 100%;

  font-family: sans-serif;

  padding: 0;
  margin: 0;
}

.hidden {
  display: none !important;
}

#Run {
  background-color: rgb(25, 38, 38);

  z-index: 1;
  position: absolute;
  top: 0;

  width: 100%;
  height: 100%;

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

#Run button {
  background-color: rgb(25, 38, 38);
  color: white;
  border: 2px solid white;
  border-radius: 5px;
  padding: 10px;
  font-size: 20px;
  cursor: pointer;
}

canvas {
  background-color: rgb(25, 38, 38);
  position: fixed;
  width: 100%;
  height: 100%;

  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

#h {
  display: flex;
  align-items: center;
  justify-content: center;
}

#Score {
  position: absolute;
  top: 0;
  left: 0;
  color: white;
  font-size: 20px;
  padding: 10px;

  z-index: 1;
}

#Score span {
  color: #ff0000;
}

#Score span:nth-child(2) {
  color: #00ff00;
}