#bigad_display
{
	margin:0px auto;
	text-align:center;
	margin-top:50px;
	margin-bottom:20px;
}
#linkad_middle
{
	margin-top:10px;
	margin-bottom:10px;
}
@media only screen and (max-width: 960px)
{
	#bigad_display
	{
		display:none;
	}
}