#hpStruct { /* see code in MERKLE.CSS/MERKLE.LESS */ }
#panels-preview div.upper div.col:first-child,
#panels-preview div.lower div.col:first-child,
#panels-edit-display-form div.upper div.col:first-child,
#panels-edit-display-form div.lower div.col:first-child
  { margin-left:0; }
#panels-preview div.upper div.col:last-child,
#panels-preview div.lower div.col:last-child,
#panels-edit-display-form div.upper div.col:last-child,
#panels-edit-display-form div.lower div.col:last-child
  { margin-right:0; }