Center the desktop if it's smaller than the frame.

remoting/webapp/me2mom/choice.css

 /* Copyright (c) 2011 The Chromium Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 /* Elements */
 a {
   color: rgb(0, 102, 204);
   text-decoration: none;
 }
@@ skipping 209 matching lines @@
 
 #main {
   color: rgb(115, 115, 115);
   font-size: 16px;
   margin: 100px auto 0 auto;
   padding: 10px;
   width: 640px;
 }
 
 #session-mode {
-  width: 100%;
+  left: 50%;
+  top: 50%;
+  position: absolute;
+  -webkit-box-shadow: 0 0 20px 0 black;

[Jamie, 2011/09/06 17:19:25]

After consultation with Ken, I think we agreed to make this shadow smaller.

[Wez, 2011/09/07 00:28:43]

Done.

I'll let Ken know we've done this, so he can take it for a spin and decide
whether we need something better.

   -webkit-user-select: none;
 }
 
 #session-client-plugin {
   margin: 0 0 -4px 0;
 }
 
 #toggle-scaling {
   margin: 1px 0 0 0;
   padding: 1px;
   min-width: 0;
   line-height: 0;
 }