diff --git a/app/views/layouts/_course_base_info.html.erb b/app/views/layouts/_course_base_info.html.erb
index 09832b66c..96edea2f3 100644
--- a/app/views/layouts/_course_base_info.html.erb
+++ b/app/views/layouts/_course_base_info.html.erb
@@ -30,7 +30,7 @@
 
 <div class="cl"></div>
 <div class="sy_class_logo fl">
-  <%= image_tag(url_to_avatar(@course), :width => "110", :height => "110", :alt => "班级logo") %>
+  <%= image_tag(url_to_avatar(@course), :width => "96", :height => "96", :alt => "班级logo") %>
 </div>
 <div class="sy_class_id fl">
   <p>邀 请 码<br />
@@ -54,7 +54,7 @@
     </p>
     <div class="cl"></div>
   </div>
-  <p class="sy_cgrey mb10">
+  <p class="sy_cgrey mb5">
     <span class=" mr15">主讲老师：<%= link_to(@course.teacher.show_name, user_path(@course.teacher), :class => 'sy_cblue') %></span>
     <span class=" mr15">学时：<span  class="sy_cblack"><%= @course.class_period %>学时</span></span>
     <span class=" mr15">学期：<span  class="sy_cblack"><%= current_time_and_term @course %></span></span>
diff --git a/public/stylesheets/syllabus.css b/public/stylesheets/syllabus.css
index 9581724ec..d6e7c19e9 100644
--- a/public/stylesheets/syllabus.css
+++ b/public/stylesheets/syllabus.css
@@ -314,16 +314,16 @@ a.sy_class_option:hover {
 }
 
 .sy_class_logo{
-    width:110px;
-    height:110px;
+    width:96px;
+    height:96px;
 }
 .sy_class_id{
-    width:108px;
-    height:78px;
+    width:94px;
+    height:70px;
     border:1px solid #f1f1f1;
     background:#fff;
     text-align:center;
-    padding-top:30px;
+    padding-top:24px;
 }
 .sy_class_id p{
     font-size:16px;
@@ -369,7 +369,7 @@ a.sy_class_option:hover {
     line-height: 22px;
 }
 
-.sy_class_titbox{margin-bottom:5px; padding-top:10px; }
+.sy_class_titbox{ padding-top:5px; }
 a.sy_btn_orange{
     display:block;
     border:1px solid #ee4a1f;
@@ -419,9 +419,9 @@ a:hover.sy_btn_orange{
 
 .accordion li > a span {
     margin-top:15px;
-    font-size:12px;
+    font-size:11px;
     padding: 0 10px;
-    background: #ccc;
+    background: #eee;
     -webkit-border-radius: 15px;
     -moz-border-radius: 15px;
     border-radius: 15px;
@@ -433,7 +433,7 @@ a:hover.sy_btn_orange{
 .accordion > li > a.active span {
     margin-left:10px;
     color: #888;
-    background: #ccc;
+    background: #ddd;
 }
 /* Images */
 .accordion > li > a:before {