--- a/browser/themes/gnomestripe/browser/browser.css
+++ b/browser/themes/gnomestripe/browser/browser.css
@@ -1805,16 +1805,17 @@ listitem.style-section {
 
 panel[dimmed="true"] {
   opacity: 0.5;
 }
 
 /* Add-on bar */
 
 #addon-bar {
+  box-shadow: 0 1px 0 rgba(0,0,0,.15) inset;
   padding: 0;
   min-height: 20px;
 }
 
 #status-bar {
   min-height: 0;
 }
 

--- a/browser/themes/winstripe/browser/browser.css
+++ b/browser/themes/winstripe/browser/browser.css
@@ -2262,19 +2262,24 @@ panel[dimmed="true"] {
 }
 
 /* Add-on bar */
 
 #addon-bar {
   min-height: 20px;
 }
 
+#addon-bar:not(:-moz-lwtheme) {
+  -moz-appearance: statusbar;
+}
+
 #status-bar {
+  -moz-appearance: none;
+  background-color: transparent;
   border: none;
-  -moz-appearance: none;
   min-height: 0;
 }
 
 #status-bar > statusbarpanel {
   border-width: 0;
   -moz-appearance: none;
 }