diff --git a/Readme.md b/Readme.md
index 6351e3ed..e923cbab 100644
--- a/Readme.md
+++ b/Readme.md
@@ -246,7 +246,7 @@ Version Information
 ===================
 Version 2.9.0.2.
   1.  Added the capability to delete a section.
-  2.  Tidy up column padding after testing with Shoehorn.
+  2.  Tidy up column padding after testing with Shoehorn.  TODO: Decide if colomn padding is needed now.
   3.  Removed out of date development test code.
 
 Version 2.9.0.1.
diff --git a/renderer.php b/renderer.php
index bd611a18..6fe48c48 100644
--- a/renderer.php
+++ b/renderer.php
@@ -40,7 +40,7 @@
 class format_topcoll_renderer extends format_section_renderer_base {
 
     private $tccolumnwidth = 100; // Default width in percent of the column(s).
-    private $tccolumnpadding = 20; // Default padding in pixels of the column(s).
+    private $tccolumnpadding = 0; // Default padding in pixels of the column(s).
     private $mobiletheme = false; // As not using a mobile theme we can react to the number of columns setting.
     private $tablettheme = false; // As not using a tablet theme we can react to the number of columns setting.
     private $courseformat = null; // Our course format object as defined in lib.php;
@@ -96,7 +96,7 @@ protected function start_toggle_section_list() {
         if ($this->mobiletheme === false) {
             $classes .= ' ctlayout';
         }
-        $style .= ' padding: ' . $this->tccolumnpadding . 'px;';
+        $style .= ' padding-left: ' . $this->tccolumnpadding . 'px; padding-right: ' . $this->tccolumnpadding . 'px;';
         $attributes = array('class' => $classes);
         $attributes['style'] = $style;
         return html_writer::start_tag('ul', $attributes);
@@ -622,10 +622,11 @@ public function print_multiple_section_page($course, $sections, $mods, $modnames
                 $this->tccolumnwidth = 100 / $this->tcsettings['layoutcolumns'];
                 if ($this->tcsettings['layoutcolumnorientation'] == 2) { // Horizontal column layout.
                     $this->tccolumnwidth -= 0.5;
+                    $this->tccolumnpadding = 0; // In 'px'.
                 } else {
                     $this->tccolumnwidth -= 0.2;
-                }
-                $this->tccolumnpadding = 20; // In 'px'.
+                    $this->tccolumnpadding = 0; // In 'px'.
+            }
             } else if ($this->tcsettings['layoutcolumns'] < 1) {
                 // Distributed default in plugin settings (and reset in database) or database has been changed incorrectly.
                 $this->tcsettings['layoutcolumns'] = 1;
diff --git a/styles.css b/styles.css
index 454931a0..2b39e737 100644
--- a/styles.css
+++ b/styles.css
@@ -29,6 +29,8 @@
 */
 .course-content ul.ctopics {
     margin: 0px;
+    padding-left: 0px;
+    padding-right: 0px;
 }
 
 .course-content ul.ctlayout {