Bug 1287391 - Wrong sidebar tabs direction in RTL locales with Firebug theme. r=pbro

MozReview-Commit-ID: BhemDYlh703

--HG--
extra : rebase_source : 2ea23ff03574f1fcefbdd39b0316402460a203c2

devtools/client/shared/components/tabs/tabbar.css

@@ -48,7 +48,7 @@
 }
 
 /* Firebug theme doesn't stretch the tabs. */
-.theme-firebug .tabs .tabs-navigation .tabs-menu {
-  display: block;
+.theme-firebug .tabs .tabs-navigation .tabs-menu-item {
+  flex-grow: 0;
 }
 

devtools/client/shared/components/tabs/tabs.css

@@ -17,7 +17,7 @@
 }
 
 .tabs .tabs-menu-item {
-  float: left;
+  float: inline-start;
 }
 
 .tabs .tabs-menu-item a {