html, body {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  overflow: hidden; }

#game-canvas {
  width: 100%;
  height: 100%; }

#gunsight {
  position: absolute;
  top: 50%;
  left: 50%;
  margin-top: -37px;
  margin-left: -37px; }

.gui {
  position: absolute;
  z-index: 1;
  margin: 25px 0 0 25px;
  -webkit-user-select: none;
     -moz-user-select: none;
      -ms-user-select: none;
          user-select: none;
  pointer-events: none; }
  .gui .guiElement, .gui .timer, .gui .targets {
    color: white;
    font-size: 2em;
    font-family: "Montserrat", sans-serif;
    font-weight: 400;
    text-shadow: 3px 3px 1px #333; }
  .gui .timer {
    font-size: 3.5em;
    font-family: "Montserrat", sans-serif;
    font-weight: 700; }
