#game-loading-overlay {
  display: flex;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100vw;
  height: 100vh;
  margin: 0;
  padding: 0;
  z-index: 1000;
  justify-content: center;
  align-items: center;
  background-color: black;
  color: white;
}

.game-loading-fading-out {
  animation: game-loading-fading-out-anim linear 1s;
}

@keyframes game-loading-fading-out-anim {
  0% {
    opacity: 1;
  }
  25% {
    opacity: 0.4;
  }
  100% {
    opacity: 0;
  }
}

#game-loading-box {
  display: block;
  position: relative;
  max-width: 100vw;
  text-align: center;
}

#game-loading-text {
  font-size: 42px;
  font-weight: bolder;
}

#game-loading-progress {
  display: block;
  position: absolute;
  top: 105%;
  width: 150px;
  height: 25px;
  margin: 0;
  padding: 0;
  overflow: hidden;
  border: 1px solid white;
}

#game-loading-progress div {
  display: block;
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 25px;
  height: 100%;
  margin: 0;
  padding: 0;
  background: green;
  will-change: left width;
  animation: game-loading-progress-div-anim linear 1s infinite;
}

@keyframes game-loading-progress-div-anim {
  0% {
    width: 0;
    left: 0;
  }
  15% {
    width: 25px;
    left: 0;
  }
  50% {
    width: 50%;
    left: 30%;
  }
  100% {
    width: 25px;
    left: 100%;
  }
}