附件显示过长

app/views/attachments/_activity_attach.html.erb

@@ -3,7 +3,7 @@
         <div class="break_word">
           <span class="fl">
           <span title="<%= attachment.filename %>" id="attachment_<%=attachment.id %>">
-            <%= link_to_short_attachment attachment,:length=> 58, :class => 'mw400 hidden link_file_a fl newsBlue', :download => true -%>
+            <%= link_to_short_attachment attachment,:length=> 58, :class => 'hidden link_file_a fl newsBlue mw400', :download => true -%>
           </span>
           </span>
           <span class="postAttSize">(

public/stylesheets/new_user.css

@@ -99,6 +99,7 @@ a.linkGrey6:hover {color:#ffffff !important;}
 .mr40{ margin-right:40px !important;}
 .mr65 {margin-right: 65px;}
 .mw20{ margin: 0 20px;}
+.mw400 {max-width: 400px !important;}
 .mt-20 {margin-top:-20px;}
 .mt-4 {margin-top: -4px;}
 .mt0 {margin-top: 0px !important;}

public/stylesheets/public.css

@@ -170,7 +170,7 @@ h4{ font-size:14px; color:#3b3b3b;}
 .h70{ height:70px;}
 .h150{ height:150px;}
 .p10 {padding-left:10px; padding-right:10px;}
-.mw400 {max-width: 400px;}
+.mw400 {max-width: 400px !important;}
 .mh18 {max-height: 18px;}
 
 /* Font & background Color */