.maindesign .insert_container {
	margin: 50px 0;
}
.maindesign .img-items {
	display: flex;
	flex-direction: column;
}
.maindesign .img-item {
	margin-bottom: 30px;
}
.maindesign .img-item img {
	width: 100%;
	height: auto;
}


@media screen and (max-width:767px) {
	.maindesign .insert_container {
		margin: 30px 0;
	}
	.maindesign .img-item {
		margin-bottom: 15px;
	}
}