Responsive circular

@media only screen and (max-width: 1000px) {
	.ca-nav span{ width:15px; height: 30px; background-position:center left; left: 50%; top:auto; bottom:-60px; margin-left: -30px;}
	.ca-nav span.ca-nav-next{  background-position:center right; right:50%; margin-right:-30px; top:auto; bottom:-60px;}
}