学生列表加入时间对齐

app/views/courses/_new_member_list.html.erb

@@ -63,7 +63,7 @@
                      :member_id => member.id,
                      :remote => true},
                      :class => 'ml258 c_red' %>
-            <span class="ml65 c_grey"><%= format_date(member.created_on)%></span>
+            <span class="fr mr15 c_grey"><%= format_date(member.created_on)%></span>
             <%= call_hook(:view_projects_settings_members_table_row, { :course => @course, :member => member}) %>
           </div>
           <div class="cl"></div>

public/stylesheets/public.css

@@ -73,6 +73,7 @@ h4{ font-size:14px; color:#3b3b3b;}
 .ml320{ margin-left:320px;}
 .mr5{ margin-right:5px;}
 .mr10{ margin-right:10px;}
+.mr15 {margin-right: 15px;}
 .mr20{ margin-right:20px;}
 .mr30{ margin-right:30px;}
 .mr40{ margin-right:40px;}