.maindesign *, 
.maindesign *:before, 
.maindesign *:after {
	box-sizing: border-box;
}
.maindesign img {
	width: 100%;
	height: auto;
}
.maindesign .insert-container {
	margin: 50px 0;
}
.maindesign .img-group .img-group--unit:not(:first-child) {
	margin-top: 30px;
}
.maindesign .img-group--unit {
	width: 100%;
	max-width: 1000px;
	margin-left: auto;
	margin-right: auto;
}

@media screen and (max-width:767px) {
	.maindesign .insert-container {
		margin: 30px 0;
	}
}