title: CSS -> border-bottom not showing 1.5px
body: <p>I want to show border 1.5px, I can't able to see. It's showing same as 1px. I don't want 2 px, bcz it's much broad for me</p>
  
  <p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
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  <pre class="snippet-code-css lang-css prettyprint-override"><code>.newTitle {
    border-bottom: 1.5px solid orange;
  }</code></pre>
  <pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;p class="newTitle"&gt;stack Overflow&lt;/p&gt;</code></pre>
  </div>
  </div>
  </p>