.x320x100 {
	width: 320px;
	height: 100px;
	display: inline-block !important;
}

.x300x250 {
	width:300px;
	height:250px;
}

.x336x280 {
	width:336px;
	height:280px;
}

.x728x90 {
	width:728px;
	height:90px;
	/* display: inline-block; */
}

.970x90 {
	width:970px;
	height:90px;
}

@media (min-width:768px) {
	.x728x90 {
		margin-left: -7px;
	}
}

@media (min-width:992px) {
	.x728x90 {
		margin-left:0;
	}
	.x970x90 {
		margin-left:-16px;
	}
}

@media (min-width:1200px) {
	.x970x90 {
		margin-left:0;
	}
}