diff --git a/css/area_nav-metabox.less b/css/area_nav-metabox.less
index d363b0c..870571a 100755
--- a/css/area_nav-metabox.less
+++ b/css/area_nav-metabox.less
@@ -39,12 +39,10 @@
         line-height: 160%;
         text-align: right; // right-aligned
         white-space: nowrap;
-        background-color: @background_page-header;
         margin: 0;
         padding: 0;
 
         @media @screen_max-md {
-            background-color: #fff;
             margin-top: 3px;
         }
 
@@ -63,9 +61,10 @@
         }
 
         > li {
-            margin: 0 0 -1px;
             position: relative;
             display: inline-block;
+            vertical-align: bottom;
+            margin: 0;
 
             @media @screen_max-md {
                 margin-left: .2rem;
@@ -77,7 +76,7 @@
                 display: block;
                 background-color: @color-site-bg;
                 border: 1px solid @color-border-light;
-                border-bottom-color: @color-site-bg;
+                //border-bottom-color: @color-site-bg;
                 border-radius: @fix_border-radius @fix_border-radius 0 0;
                 color: @color-nav;
                 font-size: @font-size-small;
@@ -140,8 +139,8 @@
             margin-top: -1px;
         }
 
-        @media @screen_max-lg {
-            margin-top: -.1rem;
+        @media @screen_max-xlg {
+            margin-top: -1px;
         }
 
         @media @screen_max-md {
@@ -149,10 +148,6 @@
             margin-top: -2px;
         }
 
-        @media @screen_max-xs {
-            margin-top: -1px;
-        }
-
         .tab-pane {
             position: absolute;
             top: 0;
@@ -167,17 +162,6 @@
                 min-width: 20em;
             }
 
-            &::before {
-                content: '';
-                position: absolute;
-                top: -1px;
-                left: 0;
-                z-index: 0;
-                width: 100%;
-                height: 1px;
-                background-color: @color-link;
-            }
-
             &.active {
                 display: block;
                 overflow: hidden;