/* game_box */
#game_box { position: relative; overflow: hidden; margin: auto; width: min(95%, 880px); aspect-ratio: 440 / 321; background: url(img/game_background.webp) no-repeat 50% 0 / cover; display: flex; justify-content: center; align-items: flex-end; }
#game_box::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: url(img/floating.webp) no-repeat 50% / cover; animation: pulsate-fwd 1.5s infinite var(--ease); }
#game_box img { position: relative; max-height: 100%; cursor: pointer; }

/* Animations */
@keyframes pulsate-fwd { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.1); } }

@media screen and (max-width: 640px) {
	#game_box { aspect-ratio: 1 / 1; }
}