Index: course/lib.php
===================================================================
RCS file: /cvsroot/moodle/moodle/course/lib.php,v
retrieving revision 1.538.2.51
diff -u -r1.538.2.51 lib.php
--- course/lib.php	26 Jul 2008 11:35:23 -0000	1.538.2.51
+++ course/lib.php	8 Sep 2008 16:21:34 -0000
@@ -1734,7 +1734,7 @@
         if ($depth) {
             $indent = $depth*30;
             $rows = count($courses) + 1;
-            echo '<td rowspan="'.$rows.'" valign="top" width="'.$indent.'">';
+            echo '<td class="category indentation" rowspan="'.$rows.'" valign="top">';
             print_spacer(10, $indent);
             echo '</td>';
         }
@@ -1781,7 +1781,7 @@
 
         if ($depth) {
             $indent = $depth*20;
-            echo '<td valign="top" width="'.$indent.'">';
+            echo '<td class="category indentation" valign="top">';
             print_spacer(10, $indent);
             echo '</td>';
         }
Index: theme/standard/styles_layout.css
===================================================================
RCS file: /cvsroot/moodle/moodle/theme/standard/styles_layout.css,v
retrieving revision 1.516.2.62
diff -u -r1.516.2.62 styles_layout.css
--- theme/standard/styles_layout.css	5 Sep 2008 03:38:17 -0000	1.516.2.62
+++ theme/standard/styles_layout.css	8 Sep 2008 16:21:35 -0000
@@ -2012,17 +2012,21 @@
 }
 
 .categorylist {
-  width:90%;
-  margin-left:auto;
-  margin-right:auto;
+  width: 90%;
+  margin-left: auto;
+  margin-right: auto;
 }
 
 .categorylist .category.image {
-  width:20px;
+  width: 20px;
 }
 
 .categorylist .category.number {
-  text-align:right;
+  text-align: right;
+}
+
+.categorylist .category.indentation {
+  width: 1px;
 }
 
 .categoryboxcontent {