* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-user-select: none;
  user-select: none;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #7ec0ee;
  font-family: "Trebuchet MS", "Segoe UI", monospace;
  image-rendering: pixelated;
}

#game {
  display: block;
  width: 100vw;
  height: 100vh;
}

.hidden {
  display: none !important;
}

.crosshair {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #fff;
  font-size: 26px;
  font-weight: bold;
  mix-blend-mode: difference;
  pointer-events: none;
  z-index: 50;
}

.debug {
  position: fixed;
  top: 8px;
  left: 8px;
  color: #fff;
  font-family: monospace;
  font-size: 13px;
  line-height: 1.5;
  text-shadow: 1px 1px 0 #000;
  pointer-events: none;
  z-index: 60;
  white-space: pre;
}