Reduce height of nav to 50px

app/assets/stylesheets/framework/nav.scss

@@ -194,7 +194,7 @@
 
 .layout-nav {
   position: fixed;
-  top: 58px;
+  top: $header-height;
   width: 100%;
   z-index: 1;
   background: $background-color;
@@ -271,5 +271,5 @@
 }
 
 .page-with-layout-nav {
-  margin-top: 52px;
+  margin-top: 50px;
 }

app/assets/stylesheets/framework/sidebar.scss

@@ -3,6 +3,7 @@
   position: absolute;
   width: 58px;
   cursor: pointer;
+  margin-top: 8px;
 }
 
 .page-with-sidebar {
@@ -62,7 +63,7 @@
       float: left;
       height: $header-height;
       width: 100%;
-      padding: 11px 0 11px 22px;
+      padding-left: 22px;
       overflow: hidden;
       outline: none;
       transition-duration: .3s;
@@ -85,7 +86,7 @@
           margin: 0;
           margin-left: 50px;
           font-size: 19px;
-          line-height: 41px;
+          line-height: 50px;
           font-weight: normal;
         }
       }

app/assets/stylesheets/framework/variables.scss

@@ -65,7 +65,7 @@ $gl-padding-top: 10px;
 $row-hover: #f4f8fe;
 $progress-color: #c0392b;
 $avatar_radius: 50%;
-$header-height: 58px;
+$header-height: 50px;
 $fixed-layout-width: 1280px;
 $gl-avatar-size: 40px;
 $error-exclamation-point: #e62958;