More homepage CSS tweaks

services/web/public/stylesheets/app/homepage.less

@@ -102,15 +102,9 @@
 }
 
 .long-form-features {
-	.row {
-		margin-top: 4rem;
-		margin-bottom: 4rem;
-		.span7:first-child p {
-			margin-right: 12rem;
-		}
-		.span7:last-child p, .span7:last-child h3 {
-			margin-left: 12rem;
-		}
+	h2 {
+		margin-top: 0;
+		margin-bottom: @line-height-computed;
 	}
 	img {
 		border-radius: 3px;