@media (min-width: 768px) {
  .col-sm-12.col-md-3.hidden-xs.region-left {
      display: none;
	}
	.col-sm-12.col-md-9.region-right {
	    width: 100%;
	}
}

.page-node-type-page .block-region-right, .page-node-type-article .block-region-right {
    padding-left: 0;
}