diff --git a/media/css/seahub.css b/media/css/seahub.css
index c5c4c60861..c6399117d3 100644
--- a/media/css/seahub.css
+++ b/media/css/seahub.css
@@ -1657,6 +1657,9 @@ textarea:-moz-placeholder {/* for FF */
     width:330px;
     margin:0 17px 30px 0;
 }
+.group-list .group {
+	margin-bottom:25px;
+}
 .group-list .group,
 .user-list .user {
     *display:inline; /* for ie 6,7 */
diff --git a/seahub/group/templates/group/groups.html b/seahub/group/templates/group/groups.html
index 20105c8f65..e495a2b01f 100644
--- a/seahub/group/templates/group/groups.html
+++ b/seahub/group/templates/group/groups.html
@@ -19,5 +19,14 @@
 {% with post_url=group_add_url %}
 {% include "snippets/group_add_js.html" %}
 {% endwith %}
+
+$('.group').hover(
+	function() {
+		$('.fast', $(this)).removeClass('vh');
+	},
+	function() {
+		$('.fast', $(this)).addClass('vh');
+	}
+);
 </script>
 {% endblock %}
diff --git a/seahub/group/templates/group/groups_right_panel.html b/seahub/group/templates/group/groups_right_panel.html
index 8c2297f2a9..9c46105be2 100644
--- a/seahub/group/templates/group/groups_right_panel.html
+++ b/seahub/group/templates/group/groups_right_panel.html
@@ -12,8 +12,8 @@
         <h4><a href="{% url 'group_info' group.props.id %}">{{ group.props.group_name }}</a></h4>
         <p><span class="item-name">{% trans "Creator: " %}</span>{{ group.props.creator_name }}</p>
         <p><span class="item-name">{% trans "Time: "%}</span>{{ group.props.timestamp|tsstr_sec }}</p>
-        <div class="fast">
-            <a href="{% url 'group_info' group.props.id %}" title="{% trans "Libraries" %}" class="a"><span class="icon-folder-close"></span></a>
+        <div class="fast vh">
+            <a href="{% url 'group_info' group.props.id %}" title="{% trans "Libraries" %}" class="a"><span class="icon-archive"></span></a>
             <a href="{% url 'group_discuss' group.props.id %}" title="{% trans "Discussion" %}" class="a"><span class="icon-comment"></span></a>
             {% if group.wiki_enabled %}
             <a href="{% url 'group_wiki' group.props.id %}" title="{% trans "Wiki" %}" class="a"><span class="icon-book"></span></a>
diff --git a/seahub/settings.py b/seahub/settings.py
index 088d21594c..e0a595f6d1 100644
--- a/seahub/settings.py
+++ b/seahub/settings.py
@@ -211,7 +211,7 @@ AUTO_GENERATE_AVATAR_SIZES = (16, 20, 28, 36, 40, 48, 60, 80)
 # Group avatar
 GROUP_AVATAR_STORAGE_DIR = 'avatars/groups'
 GROUP_AVATAR_DEFAULT_URL = 'avatars/groups/default.png'
-AUTO_GENERATE_GROUP_AVATAR_SIZES = (20, 24, 48)
+AUTO_GENERATE_GROUP_AVATAR_SIZES = (20, 24, 48, 56)
 
 LOG_DIR = os.environ.get('SEAHUB_LOG_DIR', '/tmp')
 CACHE_DIR = "/tmp"