Css Rails中的引导网格问题

Css Rails中的引导网格问题,css,ruby-on-rails,ruby,twitter-bootstrap,grid,Css,Ruby On Rails,Ruby,Twitter Bootstrap,Grid,我是新手。我试图让引导网格在Rails中正常工作。我想要一个3列响应网格。请参见下面的1列示例: <div class="box col-lg-3 col-md-4 col-sm-6 col-xs-12"> <h2>Content</h2> </div> 我将以下内容用作application.html.erb: <!DOCTYPE html> <html> <head> <title

我是新手。我试图让引导网格在Rails中正常工作。我想要一个3列响应网格。请参见下面的1列示例:

<div class="box col-lg-3 col-md-4 col-sm-6 col-xs-12">
  <h2>Content</h2>
</div>
我将以下内容用作application.html.erb:

<!DOCTYPE html> 
 <html>
  <head>
    <title><%= full_title(yield(:title)) %></title>
    <%= stylesheet_link_tag "application", media: "all",
                                       "data-turbolinks-track" => true %>
    <%= javascript_include_tag "application", "data-turbolinks-track" => true %>
    <%= csrf_meta_tags %>
    <%= render 'layouts/shim' %>
  </head>
  <body>
    <%= render 'layouts/header' %>
    <div class="container">
     <%= yield %>
      <%= render 'layouts/footer' %>
    </div>
  </body> 

正确%>
正确%>

这是my_header.html erb partial:

<header class="navbar navbar-fixed-top">
   <div class="navbar-inner">
    <div class="container">
      <%= link_to "Sweet Potato", '#', id: 'logo' %>
      <nav>
        <ul class="nav pull-right">
          <li><%= link_to "Home",    '#' %></li>
          <li><%= link_to "Help",    '#' %></li>
          <li><%= link_to "Sign in", '#' %></li>
        </ul>
      </nav>
    </div>
  </div>
</header>

这是我的主页和网格:

<div class='hero-unit'>
    <h1>Sweet Potato</h1>
    <h2>Connect, Engage, Reflect</h2>
    <h3>
      Get the most out of your retreats.
    </h3>
</div>

<div class="stuff">
   <div class="row">
        <div class="box col-lg-3 col-md-4 col-sm-6 col-xs-12">
            <div class="thumbnail">
                 <div class="caption">
                    <h3>Connect</h3>
                     <p>Connect with the community of meditators</p>
                     <p><%= link_to "Sign up", '#',
                              class: "btn btn-primary btn-large btn-block" %></p> 
                  </div>
            </div>
        </div>
        <div class="box col-lg-3 col-md-4 col-sm-6 col-xs-12">
            <div class="thumbnail">
              <div class="caption">
                <h3>Engage</h3>
                <p>Engage in retreats</p>
                <p><a href="#" class="btn btn-primary btn-large btn-block"       role="button">Find a Retreat</a></p>
              </div>
            </div>
        </div>
        <div class="box col-lg-3 col-md-4 col-sm-6 col-xs-12">
             <div class="thumbnail">
              <div class="caption">
                <h3>Organize</h3>
                <p>Organize a retreat</p>
                <p><a href="#" class="btn btn-primary btn-large btn-block" role="button">Start a Retreat</a></p>
              </div>
            </div>
         </div>
    </div>
</div>

红薯
连接、接合、反射
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最后是my_footer.html.erb

<footer class="footer">
  <small>
    Sweet Potato
    is made by <a href="http://www.mcgiver.io/">McGiver.io</a>
  </small>
  <nav>
    <ul>
      <li><%= link_to "About",   about_path %></li>
      <li><%= link_to "Contact", contact_path %></li>
      <li><%= link_to "Help", help_path %></li>
    </ul>
  </nav> 
</footer>

红薯
是由

您是否碰巧在Bootstrap 2中使用了Bootstrap 3类?就是这样!圣诞快乐!!!!
<footer class="footer">
  <small>
    Sweet Potato
    is made by <a href="http://www.mcgiver.io/">McGiver.io</a>
  </small>
  <nav>
    <ul>
      <li><%= link_to "About",   about_path %></li>
      <li><%= link_to "Contact", contact_path %></li>
      <li><%= link_to "Help", help_path %></li>
    </ul>
  </nav> 
</footer>