@media screen and (max-width: 640px) {
	#banner { margin-top: 20px; }
	.slide { padding-bottom: 80px; width: 100%; }
	.slide .img1 , .slide .img2 { left: -100%; }
	.slide .img3 { width: 98%; left: 1%; }
	.slide .img4 { left: 110%; }
}
@media screen and (max-width: 480px) { .slide { padding-bottom: 60px; } }
@media screen and (max-width: 450px) { .slide { padding-bottom: 50px; } }