.mainContent{
	padding: 50px 0;
}
.mainContent .image{
	display: inline-block;
	width: 485px;
	margin-right: 25px;
	margin-bottom: 25px;
}
.mainContent .image:nth-child(2n){
	margin-right: 0;
}
.mainContent .image img{
	width: 100%;
}