title: I want to change the value of the variable [$margen] when changing the direction to rtl
body: <p>/* $margen var = left change page dir to rtl i want to change $margen value to right */</p>
  <pre><code>$margen: left;
  
      html{
        [dir=rtl] &amp; {
          $margen: right;
        }
      }
      
      button {
        margin-#{$margen}: 10px;
      }
  </code></pre>
  <p>Code Editor Page</p>
  <p><img src="https://i.stack.imgur.com/SXibx.png" alt="1" /></p>