diff --git a/app/views/files/_course_file.html.erb b/app/views/files/_course_file.html.erb
index ebccfcaf4..8283e15b7 100644
--- a/app/views/files/_course_file.html.erb
+++ b/app/views/files/_course_file.html.erb
@@ -31,7 +31,7 @@
         }
         showModal('ajax-modal', '513px');
         $('#ajax-modal').siblings().remove();
-        $('#ajax-modal').before("<span style='float: right;cursor:pointer;padding-left: 513px;'><a href='javascript:void(0)' onclick='closeModal()'><img src='/images/bid/close.png' width='26px' height='26px' /></a></span>");
+        $('#ajax-modal').before("<a href='javascript:void(0)' onclick='closeModal()' style='margin-left: 480px;'><img src='/images/bid/close.png' width='26px' height='26px' /></a>");
         $('#ajax-modal').parent().css("top","").css("left","");
         $('#ajax-modal').parent().addClass("popbox_polls");
     }
diff --git a/public/stylesheets/courses.css b/public/stylesheets/courses.css
index 7d4436704..bbc6f5b55 100644
--- a/public/stylesheets/courses.css
+++ b/public/stylesheets/courses.css
@@ -380,8 +380,6 @@ span.add_attachment {font-size: 80%;line-height: 2.5em;}
 .attachments_fields span .boldSpan{display:block; white-space:nowrap; font-family:'微软雅黑';}
 .attachments_fields div.ui-progressbar { width: 100px; height:14px; margin: 2px 0 -5px 8px; display: inline-block; }
 a.remove-upload:hover {text-decoration:none !important;}
-.attachments_fields input.is_public_checkbox {width:20px;}
-
 
 .attachments_fields span.ispublic-label {display: inline-block;width: 30px;margin-left: 10px;}
 a.remove-upload {background: url(../images/delete.png) no-repeat 1px 50%;width: 1px;display: inline-block;padding-left: 16px;}
diff --git a/public/stylesheets/project.css b/public/stylesheets/project.css
index 6cba7011f..a32a050d7 100644
--- a/public/stylesheets/project.css
+++ b/public/stylesheets/project.css
@@ -241,8 +241,6 @@ blockquote {background: #eeeeee;padding: 10px;margin-bottom: 10px;}
 #attachments_fields span .boldSpan{display:block; white-space:nowrap; font-family:'微软雅黑';}
 #attachments_fields div.ui-progressbar { width: 100px; height:14px; margin: 2px 0 -5px 8px; display: inline-block; }
 a.remove-upload:hover {text-decoration:none !important;}
-#attachments_fields input.is_public_checkbox {width:20px;}
-
 
 #attachments_fields span.ispublic-label {display: inline-block;width: 30px;margin-left: 10px;}
 a.remove-upload {background: url(../images/delete.png) no-repeat 1px 50%;width: 1px;display: inline-block;padding-left: 16px;}
diff --git a/public/stylesheets/public.css b/public/stylesheets/public.css
index 306520f96..59431b3ad 100644
--- a/public/stylesheets/public.css
+++ b/public/stylesheets/public.css
@@ -438,3 +438,4 @@ a.box_close{background:url(../images/img_floatbox.png) -22px 0 no-repeat;}
 .tl{text-align: left;}
 img{max-width: 100%;}
 .attachments {clear: both;}
+.is_public_checkbox{margin-left: 15px;margin-right: 10px;}