.maindesign .img_container {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
}
.maindesign .img_container::before,
.maindesign .img_container::after{
	content: "";
	width: 49%;
	height: 0;
}
.maindesign .img_container::before{
	order: 1;
}
.maindesign .img_content {
	width: 49%;
	margin-top: 30px;
}
.maindesign .img_content:nth-child(-n + 2) {
	margin-top: 0;
}
.maindesign .img_content > img {
	width: 100%;
}
@media screen and (max-width:767px) {
.maindesign .img_content {
	width: 100%;
	margin-top: 30px;
}
.maindesign .img_content:nth-child(-n + 2) {
	margin-top: 30px;
}
.maindesign .img_content:nth-child(-n) {
	margin-top: 0;
}

}