diff --git a/admin/roles/assign.html b/admin/roles/assign.html
index d7991d8e392..e1a46feca0a 100755
--- a/admin/roles/assign.html
+++ b/admin/roles/assign.html
@@ -43,8 +43,8 @@
         </label>
         <?php check_theme_arrows(); ?>
         <p class="arrow_button">
-            <input name="add" id="add" type="submit" value="<?php echo '&nbsp;&nbsp;&nbsp;'.$THEME->larrow.'&nbsp;'.get_string('add'); ?>" title="<?php print_string('add'); ?>" /><br />
-            <input name="remove" id="remove" type="submit" value="<?php echo '&nbsp;&nbsp;&nbsp;'.get_string('remove'). '&nbsp;'.$THEME->rarrow.'&nbsp;'; ?>" title="<?php print_string('remove'); ?>" />
+            <input name="add" id="add" type="submit" value="<?php echo $THEME->larrow.'&nbsp;'.get_string('add'); ?>" title="<?php print_string('add'); ?>" /><br />
+            <input name="remove" id="remove" type="submit" value="<?php echo get_string('remove').'&nbsp;'.$THEME->rarrow; ?>" title="<?php print_string('remove'); ?>" />
         </p>
       </td>
       <td valign="top">
diff --git a/group/assign.php b/group/assign.php
index 8e379c77c81..d363dc285c8 100644
--- a/group/assign.php
+++ b/group/assign.php
@@ -158,9 +158,8 @@ if ($success) {
 
         <?php check_theme_arrows(); ?>
         <p class="arrow_button">
-            <input name="add" id="add" type="submit" value="<?php echo '&nbsp;'.$THEME->larrow.' &nbsp; &nbsp; '.get_string('add'); ?>" title="<?php print_string('add'); ?>" />
-            <br />
-            <input name="remove" id="remove" type="submit" value="<?php echo '&nbsp; '.$THEME->rarrow.' &nbsp; &nbsp; '.get_string('remove'); ?>" title="<?php print_string('remove'); ?>" />
+            <input name="add" id="add" type="submit" value="<?php echo $THEME->larrow.'&nbsp;'.get_string('add'); ?>" title="<?php print_string('add'); ?>" /><br />
+            <input name="remove" id="remove" type="submit" value="<?php echo get_string('remove').'&nbsp;'.$THEME->rarrow; ?>" title="<?php print_string('remove'); ?>" />
         </p>
       </td>
       <td valign="top">
diff --git a/theme/standard/styles_layout.css b/theme/standard/styles_layout.css
index b89a8dee42e..47dda3caa1f 100644
--- a/theme/standard/styles_layout.css
+++ b/theme/standard/styles_layout.css
@@ -16,6 +16,7 @@
   blog
   calendar
   course
+  group
   doc
   grades
   login
@@ -393,7 +394,6 @@ form.popupform label {
 }
 
 .arrow_button input {
-  width:2.4em;
   padding:0.3em;
   overflow:hidden;
 }
@@ -1086,6 +1086,10 @@ body#admin-modules table.generaltable td.c0
   display: block;
 }
 
+#add, #remove{
+    text-align:center;
+}
+
 /***
  *** Blocks
  ***/
@@ -3470,13 +3474,3 @@ wikiadminactions {
 .workshopkey {
   text-align:center;
 }
-#add, #remove{
-    width:100px; 
-    height:35px 
-}
-#add{
-    text-align:left;
-}
-#remove{
-    text-align:right;
-}