#solution { height: 405px; }
#mokus { display: block; width: 535px; height: 509px; background: url('mokus.png') no-repeat; position: absolute; left: 0; right: 0; top: -60px; margin: 0 auto; z-index: 2; }
#gift { position: absolute; left: 0; top: 170px; width: 200px; height: 200px; cursor: pointer; }
#arrow { position: absolute; left: 80px; top: -60px; width: 34px; height: 95px; cursor: pointer; background: url('arrow.png') no-repeat; }

@media screen and (max-width: 720px){
	#mokus { top: 80px; max-width: 100%; }
	#solution { height: 535px; }
}

@media screen and (max-width: 480px){
	#mokus { top: 40px; width: 100%; background-size: contain; }
}