DevTools: make toolbar button click targets square

Source/devtools/front_end/components/inspectorViewTabbedPane.css

Index: Source/devtools/front_end/components/inspectorViewTabbedPane.css
diff --git a/Source/devtools/front_end/components/inspectorViewTabbedPane.css b/Source/devtools/front_end/components/inspectorViewTabbedPane.css
index 6a08c4db21080769485dc53caa15a5a67b3ec134..02c58cc5bf437efe9d90a05c1225c4501c6b224d 100644
--- a/Source/devtools/front_end/components/inspectorViewTabbedPane.css
+++ b/Source/devtools/front_end/components/inspectorViewTabbedPane.css
@@ -6,28 +6,21 @@
 
 .tabbed-pane-header {
     background-color: #f3f3f3;
-    flex: 0 0 24px;
-}
-
-:host-context(.material) .tabbed-pane-header {
-    flex: 0 0 29px;
+    flex: 0 0 27px;
     overflow: visible;
 }
 
-:host-context(.material) .tabbed-pane-header-tab {
-    height: 28px;
-    border: none;
+.tabbed-pane-header-tab {
     transition: background-color 100ms cubic-bezier(0.4, 0, 0.2, 1);
 }
 
 .tabbed-pane-header-tab:hover {
-    background-color: rgba(105, 105, 105, 0.1);
+    background-color: rgba(105, 105, 105, 0.1) !important;
 }
 
 .tabbed-pane-header-tab,
 .tabbed-pane-header-tab.selected {
-    border: none;
-    height: 23px;
+    height: 26px;
     margin: 0;
     background: none;
     border: none;
@@ -42,8 +35,3 @@
 .tabbed-pane-header-tab.selected {
     color: #333;
 }
-
-:host-context(body.undocked.platform-mac) .tabbed-pane-header {
-    background-color: rgb(243, 243, 243);
-    color: #333 !important;
-}