<!DOCTYPE html>
<html>
  <link rel='stylesheet' type='text/css' href='style.css'>
  <style>
    body > div:nth-child(1) > .progress-bar { margin: 0px 10px 0px 0px; padding: 0px; }
    body > div:nth-child(2) > .progress-bar { margin: 0px 0px 0px 10px; padding: 0px; }
    body > div:nth-child(3) > .progress-bar { margin: 0px; padding: 0px 10px 0px 0px; }
    body > div:nth-child(4) > .progress-bar { margin: 0px; padding: 0px 0px 0px 10px; }
    /* 15 - 18 should have 100% width, no need to specify. */
  </style>
  <body dir='rtl'>
    <div class="progress-element">
      <div class="progress-bar">
      </div>
    </div>
    <div class="progress-element">
      <div class="progress-bar">
      </div>
    </div>
    <div class="progress-element">
      <div class="progress-bar">
      </div>
    </div>
    <div class="progress-element">
      <div class="progress-bar">
      </div>
    </div>
    <div class="progress-element">
      <div class="progress-bar">
      </div>
    </div>
    <div class="progress-element">
      <div class="progress-bar">
      </div>
    </div>
    <div class="progress-element">
      <div class="progress-bar">
      </div>
    </div>
    <div class="progress-element">
      <div class="progress-bar">
      </div>
    </div>
  </body>
</html>