Merge branch 'master' into addEditorThemes-#362

shared/naturalcrit/nav/nav.jsx

@@ -29,7 +29,7 @@ const Nav = {
 	section : createClass({
 		displayName : 'Nav.section',
 		render      : function(){
-			return <div className='navSection'>
+			return <div className={`navSection ${this.props.className ?? ''}`}>
 				{this.props.children}
 			</div>;
 		}

shared/naturalcrit/nav/nav.less

@@ -13,6 +13,7 @@ nav{
 		position			  : relative;
 		display         : flex;
 		justify-content : space-between;
+		z-index         : 2;
 	}
 	.navSection{
 		display     : flex;