canvas {
  width: 100%;
  height: 100%;
}

.screen_wide {
  max-width: none !important;
}

#overlay_msg {
  /*display: flex;*/
  /*align-items: center;*/
  /*justify-content: center;*/

  z-index: 8;
}

#overlay_txt {
  display: inline-block;
  /*flex: 1;*/
  text-align: center;
  width: 80%;
  margin: 30px 0px;
  background: linear-gradient(
    90deg,
    rgba(0, 0, 0, 0) 0%,
    rgba(0, 0, 0, 0.7035189075630253) 30%,
    rgba(0, 0, 0, 0.6979166666666667) 70%,
    rgba(0, 0, 0, 0) 100%
  );
  /*opacity: 0.5;*/
  padding: 40px 0px;
  font-size: 36px;
  color: white;
  line-height: 36px;
}

#menu_btn {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 10;
  cursor: pointer;
}

#menu_btn img {
  width: 60px;
  filter: invert(100%);
}

#menu_btn:hover {
  opacity: 0.7;
}

#fullscreen_btn {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 10;
  cursor: pointer;
}

#fullscreen_btn img {
  width: 40px;
  filter: invert(100%);
}

#fullscreen_btn:hover {
  opacity: 0.7;
}

#controls_overlay {
  position: fixed;
  bottom: 10px;
  right: 10px;
  z-index: 10;
  user-select: none;
}