diff --git a/css/libCss/common.css b/css/libCss/common.css
index 1e5fa6d..9571acb 100644
--- a/css/libCss/common.css
+++ b/css/libCss/common.css
@@ -42,7 +42,7 @@ header{
 .java-logo{
     height: 80px;
     display: inline-block;
-    background: url("../../image/java-logo.png") no-repeat 47px center;
+    background: url("../../image/java-logo.png") no-repeat 32px center;
 }
 .java-title{
     display: inline-block;
@@ -150,8 +150,10 @@ section{
     height: 245px;
     background-color: #fff;
     float: left;
+    box-shadow:0 0 10px 0 rgba(50,50,50,.1);
 }
 .link-con-bottom-wrap{
+    box-shadow:0 0 10px 0 rgba(50,50,50,.1);
     width: 734px;
     background-color: #fff;
     height: 304px;
@@ -230,6 +232,7 @@ section{
     width: 336px;
     height: 581px;
     background-color: #fff;
+    box-shadow:0 0 10px 0 rgba(50,50,50,.1);
 }
 .ranking-list{
     height: 534px;