diff --git a/chrome/multi-row_tabs_below_content.css b/chrome/multi-row_tabs_below_content.css
index 5bb0d73..65faa25 100644
--- a/chrome/multi-row_tabs_below_content.css
+++ b/chrome/multi-row_tabs_below_content.css
@@ -30,9 +30,7 @@ See the above repository for updates as well as full license text. */
       --uc-window-control-width:  94px;
     }
   }
-  #main-window[tabsintitlebar]{
-    background-color: var(--toolbar-bgcolor,accentcolor) !important;;
-  }
+  
   :root[uidensity="compact"]{ --multirow-toolbar-height: 34px }
   :root{ border-top-width: 0px !important }
 
@@ -51,14 +49,14 @@ See the above repository for updates as well as full license text. */
 
   #nav-bar{
     position: fixed !important;
-    /* For some reason -webkit-box behaves internally like -moz-box, but can be used with fixed position. display: flex would work too but it breaks extension menus. */
-    display: -webkit-box;
-    -webkit-box-flex: 1;
     margin-left: var(--uc-window-drag-space-width);
     width: calc(100vw - var(--uc-window-drag-space-width));
     top: var(--multirow-top-padding);
+    border-top: 0 !important;
+  }
+  :where(#titlebar:hover + #nav-bar){
+    z-index: -1;
   }
-  #nav-bar-customization-target{ -webkit-box-flex: 1 }
   :root[inFullscreen] #nav-bar,
   :root[tabsintitlebar] #nav-bar{
     margin-right: var(--uc-window-control-width);
@@ -123,7 +121,7 @@ See the above repository for updates as well as full license text. */
     visibility: hidden;
   }
   #main-menubar{ height: var(--multirow-toolbar-height) }
-  #toolbar-menubar:hover{ z-index: 2 }
+
   #toolbar-menubar:hover > #menubar-items{
     visibility: visible;
     background-image: linear-gradient( to left,transparent,var(--lwt-accent-color) 35px);
@@ -172,6 +170,7 @@ See the above repository for updates as well as full license text. */
     scrollbar-gutter: stable;
     scroll-snap-type: y mandatory;
   }
+  .scrollbox-clip > scrollbox[part][orient="horizontal"] > slot{ display: contents }
   scrollbox[part][orient="horizontal"] > slot{
     overflow-x: hidden;
   }
@@ -231,6 +230,9 @@ See the above repository for updates as well as full license text. */
       --uc-window-drag-space-width: 0px;
       --uc-window-control-width: 0px;
     }
+    #nav-bar{
+      z-index: auto;
+    }
     #main-menubar,
     #toolbar-menubar{ height: var(--multirow-menubar-height); background-image: none; }
     #toolbar-menubar > #menubar-items{ visibility: visible; background-image: none !important; }
@@ -246,3 +248,4 @@ See the above repository for updates as well as full license text. */
     .tabbrowser-tab[fadein]:not([pinned]){ max-width: 100vw !important; }
   }
 }
+