These styles remove the section which displays a count or who else "liked." This is not my code but am unable to find it's original source. I've been using it for some time now and it's pretty bullet proof. Facebook Like Button: https://developers.facebook.com/docs/reference/plugins/like/

NoCount.css

.fb-like {
  width: 50px;
	height: 30px;
	overflow: hidden;
}
div.likewrap span.fb_edge_comment_widget{
	display: none !important;
}