<!DOCTYPE html>
<html>
  <head>
    <style>
      div { position: absolute; top: 0; left: 0; width: 100px; height: 100px; }
      div.offset { left: 100px; }
      div.offset2 { left: 200px; }
    </style>
  </head>
  <body>
    <div style="background: green"></div>
    <div class="offset" style="background: green"></div>
    <div class="offset2" style="background: green"></div>
  </body>
</html>