title: two separated list-group close to each other [Bootstrap]
body: <p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
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  <pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;!DOCTYPE html&gt;
  &lt;html lang="en"&gt;
  &lt;head&gt;
    &lt;title&gt;Bootstrap Example&lt;/title&gt;
    &lt;meta charset="utf-8"&gt;
    &lt;link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css"&gt;
    &lt;script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"&gt;&lt;/script&gt;
    &lt;script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"&gt;&lt;/script&gt;
  &lt;/head&gt;
  &lt;body&gt;
  
  &lt;div class="container-fluid"&gt;
    &lt;h1&gt;Hello World!&lt;/h1&gt;
    &lt;p&gt;Resize the browser window to see the effect.&lt;/p&gt;
    &lt;div class="row"&gt;
      &lt;div class="col-sm-4" style="background-color:lavender;"&gt;.col-sm-4
      &lt;ul class="list-group listDetail"&gt;
          &lt;li class="list-group-item"&gt;Name&lt;span class="pull-right"&gt;: &lt;/span&gt;&lt;/li&gt;
          &lt;li class="list-group-item"&gt;Address&lt;span class="pull-right"&gt;: &lt;/span&gt;&lt;/li&gt;
          &lt;li class="list-group-item"&gt;Phone&lt;span class="pull-right"&gt;: &lt;/span&gt;&lt;/li&gt;
          &lt;li class="list-group-item"&gt;Pet Name&lt;span class="pull-right"&gt;: &lt;/span&gt;&lt;/li&gt;
  
      &lt;/ul&gt;
      &lt;/div&gt;
      &lt;div class="col-sm-8" style="background-color:lavenderblush;"&gt;.col-sm-8
      &lt;ul class="list-group listDetail"&gt;
  
          &lt;li class="list-group-item"&gt;Pete&lt;/li&gt;
          &lt;li class="list-group-item"&gt;Zuma Deluxe Apartement&lt;/li&gt;
          &lt;li class="list-group-item"&gt;911&lt;/li&gt;
          &lt;li class="list-group-item"&gt;Foo Fighters&lt;/li&gt;
  
      &lt;/ul&gt;
      &lt;/div&gt;
    &lt;/div&gt;
  &lt;/div&gt;
      
  &lt;/body&gt;
  &lt;/html&gt;</code></pre>
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  <p>I'm new to bootstrap. So today I made two simple <code>list-group</code> using <code>col-sm-4</code> and <code>col-sm-8</code> inside a modal, I just need to know how to stick both <code>list-group</code> 's closely, not separated like this:
  <a href="https://i.stack.imgur.com/xa8iD.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/xa8iD.png" alt="separated list-group"></a></p>
  
  <p>I have searched about <code>list-group</code> like this dude <a href="https://stackoverflow.com/questions/31979850/bootstrap-horizontal-stacking-of-list-group">here</a>, but he only used one <code>list-group</code> and I still have no idea how to solve this. </p>
  
  <p>This noob need a captain here!</p>