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CSS Framework Basics Prototyping with Bootstrap Build with Grids

for 3 columns medium is it not c;ass="col-md-4" ?

confused and I checked bootstrap doc to make sure but why is my code not working?

<!DOCTYPE html>
    <title>Ribbit - A Treehouse Project</title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link href="css/bootstrap.min.css" rel="stylesheet" media="screen">
    <div class="container">

      <div class="row">

        <div class="col-md-4">
          <h2>Delete photo &amp; video based on a timer</h2>
          <p>Learn how to write the code that downloads and displays messages, photos, and videos that timeout after a few seconds. Then create the code that deletes them from the back-end to make them "self destruct."</p>

          <h2>Build an easily managed friends list</h2>
          <p>Learn what Parse.com offers as a "backend-as-a-service" platform. Explore the user account management APIs provided by Parse.com and write the code to create and save a new user in a Parse.com data store.</p>

          <h2>Store &amp; retrieve data using cloud servers</h2>
          <p>We'll teach you how to upload images, video files, and messages to Parse.com's cloud servers. Then learn how to retrieve the data by setting up custom queries that download and display them in the app.</p>



1 Answer

Jeff Jacobson-Swartfager
Jeff Jacobson-Swartfager
15,419 Points

The col-md-4 class makes that first div (within your div with the class of row) four columns wide. You'll need to apply that to each of the sibling divs in order to make the three columns you're looking for.

Check out a working example on codepen.