Index: moodle/mod/lamslesson/styles.css
===================================================================
diff -u -r24183dc4f6936f3122920cc99678b1231701a3ea -r044bc381a9c59ee083f5271b39a36096b1f740a2
--- moodle/mod/lamslesson/styles.css	(.../styles.css)	(revision 24183dc4f6936f3122920cc99678b1231701a3ea)
+++ moodle/mod/lamslesson/styles.css	(.../styles.css)	(revision 044bc381a9c59ee083f5271b39a36096b1f740a2)
@@ -7,14 +7,10 @@
 .path-mod-lamslesson .note {border:solid 1px #DEDEDE;background:#FFFFCC url([[pix:t/stop]]) 8px 16px no-repeat;color:#222222;padding:10px;text-align:center;}
 
 /* Button styles */
-#authorbutton a {text-decoration:none;padding-left: 2.25em;background: url([[pix:i/admin]]) 5% 50% no-repeat;}
-#learnerbutton a {text-decoration:none;padding-left: 2.25em;background: url([[pix:t/go]]) 8% 50% no-repeat;}
-#monitorbutton a {text-decoration:none;padding-left: 2.25em;background: url([[pix:a/search]]) 5% 50% no-repeat;}
-#previewbutton a {text-decoration:none;padding-left: 2.25em;background: url([[pix:a/search]]) 5% 50% no-repeat;}
 #validatebutton a {text-decoration:none;padding-left: 2.25em;background: url([[pix:i/admin]]) 5% 50% no-repeat;}
 #offsetbutton a {text-decoration:none;padding-left: 2.25em;background: url([[pix:i/log]]) 5% 50% no-repeat;}
 
-/* Copyright (c) 2006 Yahoo! Inc. All rights reserved. 
+/* Copyright (c) 2006 Yahoo! Inc. All rights reserved.
 This file is from:
 http://developer.yahoo.com/yui/examples/treeview/assets/css/folders/tree.css
 and has been modified to be used within Moodle 2 Themes
@@ -24,60 +20,61 @@
 .ygtvtn { background: url([[pix:y/tn]]) 0 0 no-repeat; width:17px; height:22px; }
 
 /* first or middle sibling, collapsable */
-.ygtvtm { background: url([[pix:y/tm]]) 0 0 no-repeat; width:34px; height:22px; cursor:pointer }
+.ygtvtm { background: url([[pix:f/folder]]) 0 0 no-repeat; width:34px; height:22px; cursor:pointer }
 
 /* first or middle sibling, collapsable, hover */
-.ygtvtmh { background: url([[pix:y/tmh]]) 0 0 no-repeat; width:34px; height:22px; cursor:pointer }
+.ygtvtmh { background: url([[pix:f/folder-open]]) 0 0 no-repeat; width:34px; height:22px; cursor:pointer }
 
 /* first or middle sibling, expandable */
-.ygtvtp { background: url([[pix:y/tp]]) 0 0 no-repeat; width:34px; height:22px; cursor:pointer }
+.ygtvtp { background: url([[pix:f/folder]]) 0 0 no-repeat; width:34px; height:22px; cursor:pointer }
 
 /* first or middle sibling, expandable, hover */
-.ygtvtph { background: url([[pix:y/tph]]) 0 0 no-repeat; width:34px; height:22px; cursor:pointer }
+.ygtvtph { background: url([[pix:f/folder-open]]) 0 0 no-repeat; width:34px; height:22px; cursor:pointer }
 
 /* last sibling, no children */
 .ygtvln { background: url([[pix:y/ln]]) 0 0 no-repeat; width:17px; height:22px; }
 
 /* Last sibling, collapsable */
-.ygtvlm { background: url([[pix:y/lm]]) 0 0 no-repeat; width:34px; height:22px; cursor:pointer }
+.ygtvlm { background: url([[pix:f/folder-open]]) 0 0 no-repeat; width:34px; height:22px; cursor:pointer }
 
 /* Last sibling, collapsable, hover */
-.ygtvlmh { background: url([[pix:y/lmh]]) 0 0 no-repeat; width:34px; height:22px; cursor:pointer }
+.ygtvlmh { background: url([[pix:f/folder-open]]) 0 0 no-repeat; width:34px; height:22px; cursor:pointer }
 
 /* Last sibling, expandable */
-.ygtvlp { background: url([[pix:y/lp]]) 0 0 no-repeat; width:34px; height:22px; cursor:pointer }
+.ygtvlp { background: url([[pix:f/folder]]) 0 0 no-repeat; width:34px; height:22px; cursor:pointer }
 
 /* Last sibling, expandable, hover */
-.ygtvlph { background: url([[pix:y/lph]]) 0 0 no-repeat; width:34px; height:22px; cursor:pointer }
+.ygtvlph { background: url([[pix:f/folder-open]]) 0 0 no-repeat; width:34px; height:22px; cursor:pointer }
 
 /* Loading icon */
 .ygtvloading { background: url([[pix:y/loading]]) 0 0 no-repeat; width:16px; height:22px; }
 
-/* the style for the empty cells that are used for rendering the depth 
+/* the style for the empty cells that are used for rendering the depth
  * of the node */
 .ygtvdepthcell { background: url([[pix:y/vline]]) 0 0 no-repeat; width:17px; height:22px; }
 
 .ygtvblankdepthcell { width:17px; height:22px; }
 
 /* the style of the div around each node */
-.ygtvitem { }  
+.ygtvitem { }
 
 .ygtvitem  table{
     margin-bottom:0;
 }
 .ygtvitem  td {
     border:none;padding:0;
-} 
+}
 
 
 
 /* the style of the div around each node's collection of children */
-.ygtvchildren { }  
-* html .ygtvchildren { height:1%; }  
+.ygtvchildren { }
+* html .ygtvchildren { height:1%; }
 
 /* the style of the text label in ygTextNode */
-.ygtvlabel, .ygtvlabel:link, .ygtvlabel:visited, .ygtvlabel:hover { 
-	margin-left:2px;
-	text-decoration: none;
+.ygtvlabel, .ygtvlabel:link, .ygtvlabel:visited, .ygtvlabel:hover {
+        margin-left:2px;
+        text-decoration: none;
 }
 
+