/* Triangle: http://codepen.io/chriscoyier/pen/lotjh
	and http://stackoverflow.com/questions/19983995/bootstrap-3-arrow-on-dropdown-menu */
.dropdown-menu:before {
	position: absolute;
	top: -7px;
	left: 9px;
	display: inline-block;
	border-right: 7px solid transparent;
	border-bottom: 7px solid rgba(0, 0, 0, 0.2);
	border-left: 7px solid transparent;
	content: '';
}
.dropdown-menu:after {
	position: absolute;
	top: -6px;
	left: 10px;
	display: inline-block;
	border-right: 6px solid transparent;
	border-bottom: 6px solid white;
	border-left: 6px solid transparent;
	content: '';
}