Try to make the look and feel of the UI same as it was earlier for consitency.

web/pgadmin/browser/templates/browser/js/browser.js

@@ -87,7 +87,7 @@ OWNER TO helpdesk;\n';
       'browser': new pgAdmin.Browser.Panel({
         name: 'browser',
         title: '{{ _('Browser') }}',
-        showTitle: true,
+        showTitle: false,
         isCloseable: false,
         isPrivate: true,
         content: '<div id="tree" class="aciTree"></div>'

web/pgadmin/static/css/overrides.css

@@ -287,6 +287,7 @@ iframe {
     text-align: left;
     cursor: pointer;
     margin-bottom: 1px;
+    background-color: #2C76B4;
 }
 
 .obj_properties .badge .caret {
@@ -368,7 +369,10 @@ iframe {
     overflow: auto;
     top: 0em;
     bottom: 0px;
-    padding: 0.5em 0px;
+    padding-bottom: 0.5em;
+    padding-top: 0;
+    padding-right: 0;
+    padding-left: 0;
 }
 
 .pg-prop-has-btn-group-below {
@@ -376,7 +380,7 @@ iframe {
 }
 
 .has-pg-prop-btn-group {
-    top: 2.1em;
+    top: 2.55em;
 }
 
 .pg-prop-content > div {

web/pgadmin/static/css/wcDocker/Themes/pgadmin.css

@@ -18,19 +18,20 @@
   background-color: #dddddd;
 }
 
-.wcFrameTitleBar {
-  height: 38px;
-  background-color: #555;
-}
-
 .wcFrameTitle {
+  height: 50px;
   font-size: 12px;
   font-weight: bold;
-  text-align: left;
   padding-top: 3px;
   padding-left: 3px;
   vertical-align: middle;
   background-color: #e6e6e6;
+  text-align: left;
+  border-bottom: 1px;
+}
+
+.wcFrameCenter {
+  top: 40px;
 }
 
 .wcFrameButton {
@@ -55,10 +56,6 @@
   background-color: #dddddd;
 }
 
-.wcFrameCenter {
-  top: 40px;
-}
-
 .wcFrameButtonToggled, .wcFrameButtonToggled:hover {
   border-style: inset;
 }
@@ -221,3 +218,11 @@
     padding-left: 1.25em;
     margin-top: -5px;
 }
+
+.wcFrameTitleBar {
+    background-color: #E2E2E2
+}
+
+.wcFloating .wcFrameTitleBar {
+    background-color: #2C76B4;
+}