moved tabs to left panel, so it's easier to manage them in css

components/navigation.less

@@ -39,20 +39,9 @@
 
 /* Navigation Containers */
 #left-navigation {
-    margin-top: -6px;
-	float: left;
-	margin-left: 10em;
-	/* When right nav would overlap left nav, it's placed below it
-	   (normal CSS floats behavior). This rule ensures that no empty space
-	   is shown between them due to right nav's margin-top. Page layout
-	   is still broken, but at least the nav overlaps only the page title
-	   instead of half the content. */
-	margin-bottom: -2.5em;
 }
 
 #right-navigation {
-    margin-top: -6px;
-	float: right;
 }
 
 /* Logo */

components/tabs.less

@@ -17,27 +17,10 @@
 	padding-left: 1px;
 
 	ul {
-		float: left;
-		height: 100%;
 		list-style-type: none;
 		list-style-image: none;
-		margin: 0;
-		padding: 0;
-		/* .background-image('images/tab-break.png'); */
-		background-position: right bottom;
-		background-repeat: no-repeat;
 
 		li {
-			float: left;
-			line-height: 1.125em;
-			display: block;
-			height: 100%;
-			margin: 0;
-			padding: 0;
-			/* .background-image('images/tab-normal-fade.png'); */
-			background-position: bottom left;
-			background-repeat: repeat-x;
-			white-space: nowrap;
 		}
 	}
 
@@ -66,10 +49,6 @@
 		}
 
 		a {
-			display: block;
-			height: 1.9em;
-			padding-left: 0.615em; // equals `8px` at computed `font-size` of `13px` below
-			padding-right: 0.615em;
 			color: @menu-link-color;
 			cursor: pointer;
 			font-size: 0.8125em; // equals `13px` at browser default of `16px`
@@ -77,17 +56,9 @@
 	}
 
 	span {
-		display: inline-block;
-		/* .background-image('images/tab-break.png'); */
-		background-position: bottom right;
-		background-repeat: no-repeat;
-		height: 100%;
-
 		a {
-			float: left;
 			display: block;
 			position: relative;
-			padding-top: 1.25em;
 		}
 	}
 }

includes/VectorTemplate.php

@@ -56,8 +56,6 @@ class VectorTemplate extends BaseTemplate {
         $this->html( 'headelement' );
         ?>
 
-		<div id="mw-page-base" class="noprint"></div>
-		<div id="mw-head-base" class="noprint"></div>
 		<div id="content" class="mw-body" role="main">
 			<a id="top"></a>
 			<?php