项目-设置-问题-居中;

app/views/projects/settings/_issue_categories.html.erb

@@ -8,7 +8,7 @@
   <tbody>
 <% for category in @project.issue_categories %>
   <% unless category.new_record? %>
-  <tr class="<%= cycle 'odd', 'even' %>">
+  <tr class="text_center <%= cycle 'odd', 'even' %>">
     <td><%=h(category.name) %></td>
     <td><%=h(category.assigned_to.name) if category.assigned_to %></td>
     <td class="buttons">

public/stylesheets/nyan.css

@@ -1,5 +1,8 @@
 /* TODO: base/common/page 准备封装一些基本样式组合调用 参考YUI
 *******************************************************************************/
+.text_center{
+  text-align: center;
+}
 
 /* 按钮
 *******************************************************************************/