[DevTools] Fix UI extreme cases: very small window and very large zoom.

Source/devtools/front_end/inspector.css

 /*
  * Copyright (C) 2006, 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2009 Anthony Ricaud <rik@webkit.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 814 matching lines @@
 }
 
 body.platform-linux .monospace,
 body.platform-linux .source-code {
     font-size: 11px !important;
     font-family: dejavu sans mono, monospace;
 }
 
 .console-view {
     background-color: white;
+    overflow: hidden;
 }
 
 .console-view-wrapper {
     background-color: rgb(236, 236, 236);
 }
 
 .console-status-bar,
 .console-filters-header {
     flex: 0 0 23px;
     overflow: hidden;
@@ skipping 2051 matching lines @@
 }
 
 select.drop-down-menu {
     border: none;
     -webkit-appearance: none;
 }
 
 .viewport-control-gap-element {
     color: transparent;
 }