body {
  font-family: Arial, Helvetica, sans-serif;
}

#canvas {
  border: outline 1px gray;
  margin: 0;
  padding: 0;
}

#run,
#reload {
  margin: 0;
  padding: 10px 20px;
  cursor: pointer;
  background-color: #1f23ec;
  color: #fff;
  border: none;
  border-radius: 5px;
  font-family: inherit;
  font-size: 12px;
  font-weight: bold;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

#score {
  margin-bottom: 20px;
}

.wrapper {
  width: 800px;
  display: block;
  margin: 0 auto;
}

.game-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 99%;
  background-color: rgba(0, 0, 0, 0.8);
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 36px;
  color: white;
  z-index: 10;
}