* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
#canvas1 {
  border: 5px solid black;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  max-width: 100%;
  max-height: 100%;
}
#player {
    display: none;
}

#layer1,#layer2,#layer3,#layer4,#layer5,#enemy_spider_big,#enemy_plant,#enemy_fly,#fire{
    display: none;
}