diff --git a/stylesheets/tabs.less b/stylesheets/tabs.less
index be4fbcc..d3bd68e 100644
--- a/stylesheets/tabs.less
+++ b/stylesheets/tabs.less
@@ -21,7 +21,7 @@
     left: 0px;
     width: 100%;
     background-color: @tab-background-color-active;
-    border-top: 1px solid lighten(@tab-border-color, 5%);
+    border-top: 1px solid @tab-border-color;
   }
 
   .tab {
@@ -33,11 +33,11 @@
     padding-left: 0;
     margin-left: 15px;
     border-top-right-radius: @tab-radius;
-    border-right: @tab-border;
     box-shadow: inset -1px -1px 1px rgba(0,0,0, .05);
     -webkit-transform: skewX(@tab-skew);
     transition: color .1s ease-in;
-    box-shadow: inset -1px 1px 0 @tab-border-color;
+    box-shadow: inset -1px 1px 0 @tab-border-color, 4px 0px 4px rgba(0,0,0,.1);
+    border: none;
 
     &, &:before {
       background-image: -webkit-linear-gradient(top, lighten(#333, 7%), #333);
@@ -51,9 +51,9 @@
       height: @tab-height;
       width: 40px;
       border-top-left-radius: @tab-radius;
-      border-left: @tab-border;
       -webkit-transform: skewX(133deg);
-      box-shadow: inset 1px 1px 0 @tab-border-color;
+      box-shadow: inset 1px 1px 0 @tab-border-color, -4px 0px 4px rgba(0,0,0,.1);
+      border: none;
     }
 
     .close-icon {
@@ -71,13 +71,18 @@
     .title{
       -webkit-transform: skewX(-@tab-skew);
     }
+
+    &:first-child {
+      margin-left: 20px;
+    }
   }
 
   .tab.active {
     z-index: 10;
     line-height: @tab-height - 3px;
     color: @text-color-highlight;
-    box-shadow: inset -1px 1px 0 lighten(@tab-border-color, 5%);
+    box-shadow: inset -1px 1px 0 @tab-border-color, 4px -4px 4px rgba(0,0,0,.1);
+    border: none;
 
     .title{
       position: relative;
@@ -94,7 +99,8 @@
     }
 
     &:before {
-      box-shadow: inset 1px 1px 0 lighten(@tab-border-color, 5%);
+      border: none;
+      box-shadow: inset 1px 1px 0 @tab-border-color, -4px -4px 4px rgba(0,0,0,.1);
     }
   }
 
diff --git a/stylesheets/ui-variables.less b/stylesheets/ui-variables.less
index 1a921e5..5847a0d 100644
--- a/stylesheets/ui-variables.less
+++ b/stylesheets/ui-variables.less
@@ -49,7 +49,7 @@
 @tab-bar-border-color: darken(@tab-background-color-active, 10%);
 @tab-background-color: #333;
 @tab-background-color-active: #222;
-@tab-border-color: #333;
+@tab-border-color: #484848;
 
 @tree-view-background-color: @tool-panel-background-color;
 @tree-view-border-color: @tool-panel-border-color;