/* who */
.who {
	background: url(../img/about/bg2.jpg) no-repeat center / cover;
	color: #fff;
	padding: 40px 0;
	min-height: 450px;
}
/* who */
.what {
	padding: 50px 0;
}
/* who */
.how {
	background: url(../img/about/bg3.jpg) no-repeat center / cover;
	color: #fff;
	padding: 50px 0;
	min-height: 450px;
}
@media screen and (max-width: 767px) {
	.who,
	.what,
	.how {
		padding: 40px 0;
	}
}