@media only screen and (min-width: 1920px) {	

.item_container {
	display: block;
	float: right;
	width: 49%;
	margin-left:2%;
}
.item_container:nth-of-type(2n) {
	display: block;
	float: right;
	width: 49%;
	margin-left:0%;
}
}

@media only screen and (max-width: 1919px) and (min-width: 1680px){

.item_container {
	display: block;
	float: right;
	width: 49%;
	margin-left:2%;
}
.item_container:nth-of-type(2n) {
	display: block;
	float: right;
	width: 49%;
	margin-left:0%;
}
}

@media only screen and (max-width: 1679px) and (min-width: 1440px){
	
.item_container {
	display: block;
	float: right;
	width: 49%;
	margin-left:2%;
}
.item_container:nth-of-type(2n) {
	display: block;
	float: right;
	width: 49%;
	margin-left:0%;
}
}

@media only screen and (max-width: 1439px) and (min-width: 769px) {
	
.item_container {
	display: block;
	float: right;
	width: 49%;
	margin-left:2%;
}
.item_container:nth-of-type(2n) {
	display: block;
	float: right;
	width: 49%;
	margin-left:0%;
}
}

@media only screen and (max-width: 768px) and (min-width: 641px) {
	
.item_container {
	display: block;
	float: right;
	width: 49%;
	margin-left:2%;
}
.item_container:nth-of-type(2n) {
	display: block;
	float: right;
	width: 49%;
	margin-left:0%;
}
}

@media only screen and (max-width: 640px) and (min-width: 481px) {
	
.item_container {
	display: block;
	float: right;
	width: 49%;
	margin-left:2%;
}
.item_container:nth-of-type(2n) {
	display: block;
	float: right;
	width: 49%;
	margin-left:0%;
}
}

@media only screen and (max-width: 480px) {
	
.item_container {
	display: block;
	float: right;
	width: 100%;
}
.item_container:nth-of-type(4n) {
	display: block;
	float: right;
	width: 100%;
}
}