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/css/project.css b/public/stylesheets/css/project.css
index 3f23f0b80..89412d397 100644
--- a/public/stylesheets/css/project.css
+++ b/public/stylesheets/css/project.css
@@ -554,31 +554,4 @@ a:hover.upload_btn_grey{background:#8a8a8a;}
 .icons_project_favorite {background: url(/images/syllabus/sy_icons_star.png) 0px 0px no-repeat; width:20px; height:20px; display:block; float:left;}
 .icons_project_star{background: url(/images/syllabus/sy_icons_star.png) 0px -27px no-repeat; width:20px; height:20px; display:block; float:left;}
 .new_projectlist_more{ text-align:center;}
-.new_projectlist_more a:hover{ color:#3b94d6;}
-/*新版项目引用的新版课程大纲中的公共样式*/
-.icons_tishi{
-    width: 110px;
-    height: 110px;
-    margin: 135px auto 20px;
-}
-.sy_tab_con_p{
-    font-size: 16px;
-    text-align: center;
-    margin-bottom:100px;
-    color:#888;
-}
-a.sy_btn_green{
-    display:inline-block;
-    color: #fff;
-    background: #60b25e;
-    text-align: center;
-    font-size: 12px;
-    padding:0 15px;
-    height: 30px;
-    line-height: 30px;
-    -webkit-border-radius:3px;
-    -moz-border-radius:3px;
-    -o-border-radius:3px;
-    border-radius:3px;
-}
-a:hover.sy_btn_green{ background: #51a74f;}
\ No newline at end of file
+.new_projectlist_more a:hover{ color:#3b94d6;}
\ No newline at end of file
diff --git a/public/stylesheets/css/public.css b/public/stylesheets/css/public.css
index f9d344cf3..78bff0136 100644
--- a/public/stylesheets/css/public.css
+++ b/public/stylesheets/css/public.css
@@ -1418,4 +1418,31 @@ a:hover.comment_ding_link{ color:#269ac9;}
 }
 a.syllabusbox_a_blue{
     color:#3b94d6 !important;
-}
\ No newline at end of file
+}
+
+.icons_tishi{
+    width: 110px;
+    height: 110px;
+    margin: 135px auto 20px;
+}
+.sy_tab_con_p{
+    font-size: 16px;
+    text-align: center;
+    margin-bottom:100px;
+    color:#888;
+}
+a.sy_btn_green{
+     display:inline-block;
+     color: #fff;
+     background: #60b25e;
+     text-align: center;
+     font-size: 12px;
+     padding:0 15px;
+     height: 30px;
+     line-height: 30px;
+     -webkit-border-radius:3px;
+     -moz-border-radius:3px;
+     -o-border-radius:3px;
+     border-radius:3px;
+ }
+a:hover.sy_btn_green{ background: #51a74f;}
\ No newline at end of file
diff --git a/public/stylesheets/sy_public.css b/public/stylesheets/sy_public.css
index deeb36c15..454bdcb4a 100644
--- a/public/stylesheets/sy_public.css
+++ b/public/stylesheets/sy_public.css
@@ -109,21 +109,6 @@ a:hover.btn_green_big{
     background: #60b25e;
     color: #fff;
 }
-a.sy_btn_green{
-    display:inline-block;
-    color: #fff;
-    background: #60b25e;
-    text-align: center;
-    font-size: 12px;
-    padding:0 15px;
-    height: 30px;
-    line-height: 30px;
-    -webkit-border-radius:3px;
-    -moz-border-radius:3px;
-    -o-border-radius:3px;
-    border-radius:3px;
-}
-a:hover.sy_btn_green{ background: #51a74f;}
 
 /*a.sy_btn_grey{*/
     /*color: #333;*/
diff --git a/public/stylesheets/syllabus.css b/public/stylesheets/syllabus.css
index 95cee0b2c..d6e7c19e9 100644
--- a/public/stylesheets/syllabus.css
+++ b/public/stylesheets/syllabus.css
@@ -169,17 +169,6 @@ a.syllabus_class_title{ font-size:14px; color:#333; max-width:480px; margin-bott
     border-bottom:none;
 }
 /* 课程大纲 */
-.icons_tishi{
-    width: 110px;
-    height: 110px;
-    margin: 135px auto 20px;
-}
-.sy_tab_con_p{
-    font-size: 16px;
-    text-align: center;
-    margin-bottom:100px;
-    color:#888;
-}
 .sy_classlist{
     padding: 15px 15px;
     border-bottom: 1px dashed #e6e6e6;
@@ -325,16 +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;
@@ -380,7 +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;
@@ -430,9 +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;
@@ -444,7 +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 {