.maindesign .insert_container {
	margin: 50px 0;
	box-sizing: border-box;
}
.maindesign .insert_container .img_container > img {
	width: 100%;
	height: auto;
}
.maindesign .insert_container .img_container {
	width: 100%;
	margin-bottom: 30px;
}

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