Neighborhood Guides: Grid


#1
<!DOCTYPE html>
<html>

  <head>
    <link href="http://s3.amazonaws.com/codecademy-content/courses/ltp/css/shift.css" rel="stylesheet">
    
    <link rel="stylesheet" href="http://s3.amazonaws.com/codecademy-content/courses/ltp/css/bootstrap.css">
    <link rel="stylesheet" href="main.css">
    
  </head>

  <body>
    <div class="nav">
      <div class="container">
        <ul class="pull-left">
          <li><a href="#">Name</a></li>
          <li><a href="#">Browse</a></li>
        </ul>
        <ul class="pull-right">
          <li><a href="#">Sign Up</a></li>
          <li><a href="#">Log In</a></li>
          <li><a href="#">Help</a></li>
        </ul>
      </div>
    </div>

    <div class="jumbotron">
      <div class="container">
        <h1>Find a place to stay.</h1>
        <p>Rent from people in over 34,000 cities and 192 countries.</p>
        <a href="#">Learn More</a>
      </div>
    </div> 
    <div class="neighborhood-guides">
    <div class="container">
     <h2>Neighborhood Guides.</h2>
        <p>Not sure where to star? we've created neighborhood guides for cities all around the world,</p>
        <div class="row">
        <divclass="col-md-4">
        
         <divclass="col-md-4">
         
         <divclass="col-md-4">
        
        </div>
      </div>
    </div>
    <div class="learn-more">
	  <div class="container">
	  <div class="row">
		    
	      <div class="col-md-4>
	 
			<h3>Travel</h3>
				<p>From apartments and rooms to treehouses and boats: stay in unique spaces in 192 countries.</p>
		 	<p><a href="#">See how to travel on Airbnb</a></p>
			</div>
		 
	      
		 <div class="col-md-4">
			<h3>Host</h3>
			<p>Renting out your unused space could pay your bills or fund your next vacation.</p>
			<p><a href="#">Learn more about hosting</a></p>
		  
		  <div>
		  <div class="col-md-4">
			<h3>Trust and Safety</h3>
			<p>From Verified ID to our worldwide customer support team, we've got your back.</p>
			<p><a href="#">Learn about trust at Airbnb</a></p>
		 </div>
	    </div>
	  </div>
	</div>
  </body>
</html>
ERROR
Oops, try again.
    Add a <div class="col-md-4">..</div> in the <div class="row">..</div>.

please help


#2

class is an attribute, there should be a space between the element name and the class:

<p class="">