title: fab fa-whatsapp appears in mobile device but i can't click on it
body: <p>i have a problem with my fab fa-whatsapp font awesome. the problem is that it appears in desktop screen and i can click on it, it also appears in mobile screen but i can't click on it,on mobile screen it appears but it is not operating.here is my source code :</p>
  <pre><code>&lt;div class=&quot;row&quot;&gt;
          &lt;div class=&quot;col&quot;&gt;
              &lt;a href=&quot;https://api.whatsapp.com/send?phone=0701066555&quot;&gt;&lt;i class=&quot;fab fa-whatsapp fa-5x&quot; style=&quot;color:green;position:fixed;bottom:0;right:0&quot;&gt;&lt;/i&gt;&lt;/a&gt;
          &lt;/div&gt;
      &lt;/div&gt;
  </code></pre>
  <p>and here is the link tag :</p>
  <pre><code>&lt;link rel=&quot;stylesheet&quot; href=&quot;https://use.fontawesome.com/releases/v5.15.3/css/all.css&quot; integrity=&quot;sha384-SZXxX4whJ79/gErwcOYf+zWLeJdY/qpuqC4cAa9rOGUstPomtqpuNWT9wdPEn2fk&quot; crossorigin=&quot;anonymous&quot;&gt;
  </code></pre>
  <p>thanks for your help.</p>