gistfile1.phtml

<script>
$(document).ready(function() {
  // Hidden elements
  $('.mainbox-title').hide();
  $('.left-column').hide();
  $('.top-tools-container').hide();
  $('.content-tools').hide();
  $('.breadcrumbs').hide();

  // Main content area padding/width adjustments
  $('.central-column').css('margin', '0').css('padding', '0').css('width', '100%');
  $('#content').css('padding-top', '0');
});
</script>