diff --git a/public/stylesheets/public.css b/public/stylesheets/public.css
index dcb1a34f2..51e2ffe67 100644
--- a/public/stylesheets/public.css
+++ b/public/stylesheets/public.css
@@ -66,16 +66,22 @@ h4{ font-size:14px; color:#3b3b3b;}
 .ml15{ margin-left:15px;}
 .ml16{ margin-left: 16px;}
 .ml20{ margin-left:20px;}
+.ml30{margin-left:30px !important;}
 .ml35{margin-left: 35px;}
 .ml40{ margin-left:40px;}
 .ml45{ margin-left:45px;}
+.ml48{ margin-left:48px;}
+.ml53{margin-left:53px;}
 .ml55{ margin-left:55px;}
+.ml58{margin-left:58px;}
 .ml30{ margin-left:30px;}
 .ml38{ margin-left:38px;}
 .ml60{ margin-left:60px;}
 .ml160 {margin-left:160px;}
 .ml80{ margin-left:80px;}
+.ml85{margin-left:85px;}
 .ml90{ margin-left:90px;}
+.ml95{margin-left:95px;}
 .ml100{ margin-left:100px;}
 .ml110{ margin-left:110px;}
 .ml125 { margin-left:125px;}
@@ -161,6 +167,7 @@ h4{ font-size:14px; color:#3b3b3b;}
 .h70{ height:70px;}
 .h150{ height:150px;}
 .p10 {padding-left:10px; padding-right:10px;}
+.mw400 {max-width: 400px;}
 
 /* Font & background Color */
 a.b_grey{ background: #F5F5F5;}
@@ -295,6 +302,7 @@ a:hover.bgreen_n_btn{background:#08a384;}
 .blue_btn_cir{ background:#3498db; padding:1px 10px; -moz-border-radius:2px;  -webkit-border-radius:2px;  border-radius:2px; color:#fff; font-weight:normal;font-size:12px;white-space:nowrap;}
 .orange_btn_cir{ background:#e67e22; padding:1px 10px; -moz-border-radius:2px;  -webkit-border-radius:2px;  border-radius:2px; color:#fff; font-weight:normal; font-size:12px;white-space:nowrap;}
 .bgreen_btn_cir{ background:#1abc9c; padding:1px 10px; -moz-border-radius:2px;  -webkit-border-radius:2px;  border-radius:2px; color:#fff; font-weight:normal; font-size:12px;white-space:nowrap;}
+.grey_border{border:1px solid #dddddd !important; }
 /* commonpic */
 .pic_date{ display:block; background:url(../images/new_project/public_icon.png) -31px 0 no-repeat; width:16px; height:15px; float:left;}
 .pic_add{ display:block; background:url(../images/new_project/public_icon.png) -31px -273px no-repeat; width:16px; height:15px; float:left;}
@@ -427,8 +435,6 @@ a:hover.search_btn{ background: #0fa9bb;}
 .searchResourcePopup {border:none; outline:none; background-color:#ffffff; width:184px; height:25px; padding-left:10px; display:inline-block; float:left;}
 .searchIconPopup{width:31px; height:25px; background-color:#ffffff; background:url(../images/homepage_icon.png) 5px -394px no-repeat; display:inline-block; float:left; cursor: pointer;}
 .searchIconPopup:hover {background:url(../images/homepage_icon.png) 5px -420px no-repeat;}
-.searchIcon2{width:31px; height:25px; background-color:#ffffff; background:url(../images/homepage_icon2.png) -180px -273px no-repeat; display:inline-block; float:left; cursor: pointer;}
-.searchIcon2:hover {background:url(../images/homepage_icon2.png) -180px -314px no-repeat;}
 .courseSend {width:390px; height:15px; line-height:15px; margin-bottom:10px;display:block;white-space:nowrap;}
 .courseSendCheckbox {padding:0px; margin:0px; width:12px; height:12px; margin-right:10px; display:inline-block; margin-top:2px;}
 .sendCourseName {font-size:12px; color:#5f6060;display:inline-block}
@@ -497,7 +503,7 @@ a.homepageSearchIcon:hover {background:url(../images/nav_icon.png) -49px 3px no-
 .homepageFollowCancel {background:url(../images/homepage_icon.png) -178px -8px no-repeat; width:20px; height:20px; position:absolute; right:9px; top:9px;}
 .homepageEditProfile {width:16px; height:16px; border-radius:2px; background-color:#888888; position:absolute; right:5px; bottom:5px; font-size:12px; filter:alpha(opacity=50); -moz-opacity:0.5; opacity: 0.5;}
 .homepageEditProfileIcon {background:url(../images/homepage_icon.png) -14px -37px no-repeat; width:16px; height:16px; display:block;}
-.homepageImageName {font-size:16px; color:#484848; margin-left:15px;  margin-right:8px; height:25px; float:left;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
+.homepageImageName {font-size:16px; color:#484848; margin-left:15px;  margin-right:8px; height:25px; float:left;}
 .homepageImageSex {top:116px; left:5px; width:20px; height:20px; background:url(../images/homepage_icon.png) -10px -112px no-repeat; float:left;}
 .homepageImageSex2 {top:116px; left:5px; width:20px; height:20px; background:url(../images/homepage_icon.png) -10px -150px no-repeat; float:left;}
 .homepageSignature {font-size:12px; color:#888888; margin-left:15px; margin-top:10px; margin-bottom:12px; width:208px;}
@@ -665,6 +671,9 @@ a.loginChooseTab {color:#484848; height:30px; display:block;}
 .referenceTypeActive {background-color:#269ac9; color:#ffffff !important;}
 a.referenceTypeBlock {color:#888888; display:inline-block; padding:0px 20px;}
 
+/*复制课程弹窗*/
+.copyCoursePopup {width:750px !important; height:auto !important; border:3px solid #269ac9 !important; padding-left:16px !important; padding-right:16px !important; padding-bottom:16px !important; background-color:#ffffff; position:absolute; top:50%; left:50%; margin-left:-375px; z-index:1000;}
+
 /*底部*/
 #Footer{background-color:#ffffff; margin-bottom:10px; padding-bottom:15px; color:#666666;}
 .footerAboutContainer {width:auto; border-bottom:1px solid #efefef;}
@@ -959,12 +968,31 @@ span.at a{color:#269ac9;text-decoration: none;}
 .sectionContent li:hover {background-color:#cccccc;}
 .sectionContent span {width:160px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; display:inline-block; height:20px; vertical-align:top;}
 .orgDirection {width:392px; background-color:#f1f1f1; height:30px; vertical-align:middle; line-height:30px; color:#585858; padding-left:10px;}
-/*新课程、项目资源库*/
-.reCon{ margin:5px; width:710px;}
-.reTop{width:710px; height:40px; background:#eaeaea; padding:5px;}
-.researchBox { width:240px; height:24px; border:1px solid #dddddd; color:#666666; outline:none;}
-.blueBtn{ width:60px; height:26px; color:#FFF; border:none; background-color:#269ac9; cursor:pointer; padding-left:0px; text-align:center;}
-.blueBtn:hover {background-color:#298fbd;}
+.orgSendSearch {border:1px solid #dddddd; outline:none; width:262px; height:22px; padding-left:10px; float:left;}
+
 /*文本描述展开高度*/
 .maxh360 {max-height: 810px;}
 .lh18 { line-height: 18px;}
+
+/*151228样式更新*/
+.menuSetting {background:url(../images/hwork_icon.png) -5px -132px no-repeat; display:inline-block; width:20px; height:20px;}
+.boxShadow {box-shadow:0px 2px 8px rgba(146, 153, 169, 0.5);}
+a.greyBtn{ display:inline-block; background:#f2f3f3; padding:0px 5px; height:20px; border:1px solid #d3d3d3; color:#888888; line-height:1.9;-moz-border-radius:2px;  -webkit-border-radius:2px;  border-radius:2px;}
+a:hover.greyBtn{border:1px solid #888888; }
+a.blueBtn{ display:inline-block; background:#269ac9; padding:0px 5px; height:20px; border:1px solid #269ac9; color:#ffffff; line-height:1.9;-moz-border-radius:2px;  -webkit-border-radius:2px;  border-radius:2px;}
+a.blueBtn:hover {background-color:#298fbd;}
+a.cancelBtn{ display:inline-block; background:#c1c1c1; padding:0px 5px; height:20px; border:1px solid #d3d3d3; color:#ffffff; line-height:1.9;-moz-border-radius:2px;  -webkit-border-radius:2px;  border-radius:2px;}
+a.cancelBtn:hover {background:#888888;}
+a.userFollow{ display:inline-block; width:55px; height:20px; border:1px solid #d3d3d3; color:#888888; background:#f2f3f3 url(../images/homepage_icon2.png) -9px -6px no-repeat; padding-left:25px; line-height:1.9;-moz-border-radius:2px;  -webkit-border-radius:2px;  border-radius:2px;}
+a:hover.userFollow{border:1px solid #888888; }
+a.userCancel{ display:inline-block; width:55px; height:20px; border:1px solid #d3d3d3; color:#888888; background:#f2f3f3 url(../images/homepage_icon2.png) -177px -6px no-repeat; padding-left:25px; line-height:1.9;-moz-border-radius:2px;  -webkit-border-radius:2px;  border-radius:2px;}
+a:hover.userCancel{border:1px solid #888888; }
+.pAbsolute {position:absolute; z-index:999;}
+.userAvatarWrap {width:50px; height:50px; position:relative; border:1px solid #cbcbcb; padding: 2px;}
+.userAvatarWrap:hover {border:1px solid #269ac9;}
+.mr27 {margin-right:27px;}
+.userCard {width:208px; border:1px solid #dddddd; background-color:#ffffff; margin-top:10px; padding:15px; top:-176px; left:-95px; position:absolute; z-index:999; display:none;}
+.userCard font {display:block; border-width:8px; position:absolute; bottom:-16px; left:110px; border-style:solid dashed dashed dashed; border-color:#FFF transparent transparent transparent; font-size:0; line-height:0;}
+.userCard em {display:block; border-width:8px; position:absolute; bottom:-17px; left:110px; border-style:solid dashed dashed dashed; border-color:#eaeaea transparent transparent transparent; font-size:0; line-height:0;}
+.userCardM {width:201px; height:20px; border:1px solid #dddddd; resize:none;}
+.resourceCopy {padding:0px; margin:0px; width:12px; height:12px; display:inline-block;}
\ No newline at end of file