title: Receiving "unmatched pseudo-class :lang" after updating Angular
body: <p>After updating node, I started receiving the following error:</p>
  <blockquote>
  <p>custom-file-input:lang(en)~.custom-file-label -&gt; unmatched pseudo-class :lang</p>
  </blockquote>
  <p>I am not understanding what the issue is. How can I sort out this error? I installed node 14.X.</p>