title: How to set a css property depending on desktop or mobile view?
body: <p>I would like to have 2 different margin for the same div depend on mobile and desktop view.</p>
  <p>The code below can perform a <code>margin-left: 70px;</code> on desktop.
  The problem arises on mobile view, it doesn't reset to <code>margin-left: 0px;</code></p>
  <p>How can I do it ?</p>
  <p>Thanks.</p>
  <pre><code>.body-container {
    padding-left: 0px;
    padding-right: 0px;
    max-width:1350px;
  }
  .content {
    margin-left: 70px;
  }
  .content-collapsed {
    margin-left: 0px;
  }
  </code></pre>