title: Removing margin from flex items when they wrap
body: <p>Following is my code which is working fine, except the last line in a container which is adding <code>margin-bottom: 5px;</code> from <code>.tag</code> css class.</p>
  <p>Problem I am facing is the tag list is <strong>dynamic</strong> so I cannot directly target the Item-13,14 and so on and so forth.</p>
  <p>Let me know in flex do we have any privilege to add custom css w.r.t the last row in my flex container.</p>
  <p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
  <div class="snippet-code">
  <pre class="snippet-code-css lang-css prettyprint-override"><code>* {
      margin: 0;
      padding: 0;
  }
  
  html, body {
      box-sizing: border-box;
  }
  
  .container {
      width: 600px;
      margin: 0 auto;
      margin-top: 25px;
      border: 1px solid;
      padding: 5px;
  }
  
  .tags {
      list-style-type: none;
      display: flex;
      flex-direction: row;
      flex-wrap: wrap;
      justify-content: flex-start;
  }
  
  .tag {
      padding: 5px;
      background-color: #76FF03;
      margin: 0 5px 5px;
  }</code></pre>
  <pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;div class="container"&gt;
    &lt;ul class="tags"&gt;
      &lt;li class="tag item-1"&gt;Tag Item 1&lt;/li&gt;
      &lt;li class="tag item-2"&gt;Tag Item 2&lt;/li&gt;
      &lt;li class="tag item-3"&gt;Tag Item 3&lt;/li&gt;
      &lt;li class="tag item-4"&gt;Tag Item 4&lt;/li&gt;
      &lt;li class="tag item-5"&gt;Tag Item 5&lt;/li&gt;
      &lt;li class="tag item-6"&gt;Tag Item 6&lt;/li&gt;
      &lt;li class="tag item-7"&gt;Tag Item 7&lt;/li&gt;
      &lt;li class="tag item-8"&gt;Tag Item 8&lt;/li&gt;
      &lt;li class="tag item-9"&gt;Tag Item 9&lt;/li&gt;
      &lt;li class="tag item-10"&gt;Tag Item 10&lt;/li&gt;
      &lt;li class="tag item-11"&gt;Tag Item 11&lt;/li&gt;
      &lt;li class="tag item-12"&gt;Tag Item 12&lt;/li&gt;
      &lt;li class="tag item-13"&gt;Tag Item 13&lt;/li&gt;
      &lt;li class="tag item-14"&gt;Tag Item 14&lt;/li&gt;
      &lt;li class="tag item-15"&gt;Tag Item 15&lt;/li&gt;
      &lt;li class="tag item-16"&gt;Tag Item 16&lt;/li&gt;
    &lt;/ul&gt;
  &lt;/div&gt;</code></pre>
  </div>
  </div>
  </p>