.kengaku_img{
	text-align: center;
}
.kengaku_img ul{
	overflow: hidden;
	max-width: 820px;
}
.kengaku_img ul li{
	float: left;
	width: 100%;
	max-width: 820px;
	margin-bottom: 20px;
}

@media only screen and (min-width: 768px) {
  
}

@media only screen and (min-width: 768px) and (max-width: 1200px) {

}