title: can't use hover for icon
body: <p>I'm trying to make an icon change color when hover it, but don't work. I tried using id cuz i'm using more icons so that make it easy, but i'm not sure if this is the correct way :D
  HTML</p>
  
  <pre><code>&lt;div class='col5'&gt;
              &lt;h5&gt;NE GASESTI PE&lt;/h5&gt;
              &lt;i class="fab fa-facebook" id='fb'&gt;&lt;/i&gt;
          &lt;/div&gt;
  </code></pre>
  
  <pre><code>#fb {
      padding-left: 15px;
      font-size: 40px;
      color: gray;
  }
  
  #fb :hover {
      color: blue;
  }
  </code></pre>