Merge pull request #1643 from muarachmann/fix-panel-height

 Bug fix

interface/main/tabs/css/tabs.css

@@ -13,7 +13,7 @@ html
     margin: 0;
     padding: 0;
     border: 0;
-    height: 100%;
+    min-height: 100%;
     display: flex;
     flex-direction: column;
 }
@@ -35,6 +35,7 @@ body
     flex: 1 0 auto;
     margin: 0;
     padding: 0;
+
 }
 
 #mainBox > div
@@ -51,6 +52,7 @@ body
     flex-direction: column;
     padding: 0 0 0 0;
     margin: 0 0 0 0;
+    min-height: 100% !important;
 }
 
 #framesDisplay