added large help icon to side tabs + modified CSS style to center icons

main/css/chamilo/default.css

@@ -119,7 +119,7 @@ ul#navigation .help a {
 	margin-left:1px;
 	opacity:0.6;
 	width:65px;
-        padding-bottom: 8px;
+    padding: 6px 0 8px 6px;
 }
 
 
@@ -135,7 +135,7 @@ ul#navigation .report a {
 	margin-left:1px;
 	opacity:0.6;
 	width:65px;
-        padding-bottom: 8px;
+    padding: 6px 0 8px 6px;
 }
 
 
@@ -167,10 +167,10 @@ ul#navigation .user-online a {
 	margin-left:1px;
 	opacity:0.6;
 	width:65px;
-        padding-bottom: 8px;
+    padding: 6px 0 8px 6px;
 }
 
-/* Otros colores para otras opciones basado en tonalidades tierra */
+/* Other colors for other tabs in the earth tones */
 	ul#navigation .user-connect a {
 	-moz-border-radius:8px 0 0 8px;
 	-moz-box-shadow:0 2px 2px #000000;
@@ -183,7 +183,7 @@ ul#navigation .user-online a {
 	margin-left:1px;
 	opacity:0.6;
 	width:65px;
-        padding-bottom: 8px;
+    padding: 6px 0 8px 6px;
 }
 
 ul#navigation .student-connect a {
@@ -198,7 +198,7 @@ ul#navigation .student-connect a {
 	margin-left:1px;
 	opacity:0.6;
 	width:65px;
-        padding-bottom: 8px;
+    padding: 6px 0 8px 6px;
 }
 
 /* for content section in main index.php file */

main/inc/banner.inc.php

@@ -20,7 +20,7 @@ $session_name   = api_get_session_name($my_session_id);
 <?php 
 if (!empty($help)) { 
 ?>
-        <li class="help"><a href="<?php echo api_get_path(WEB_CODE_PATH); ?>help/help.php?open=Home&height=400&width=600" class="thickbox" title="<?php echo get_lang('Help'); ?>"><img src="<?php echo api_get_path(WEB_CSS_PATH).$my_style;?>/images/help2.png" alt="<?php echo get_lang('Help');?>" title="<?php echo get_lang('Help');?>" /></a> </li>
+        <li class="help"><a href="<?php echo api_get_path(WEB_CODE_PATH); ?>help/help.php?open=Home&height=400&width=600" class="thickbox" title="<?php echo get_lang('Help'); ?>"><img src="<?php echo api_get_path(WEB_IMG_PATH);?>help.large.png" alt="<?php echo get_lang('Help');?>" title="<?php echo get_lang('Help');?>" /></a> </li>
 <?php 
 }
 if (api_get_setting('show_link_bug_notification') == 'true') {