div.customdev
{
  background-position: center top !important;
}

@media (max-width: 768px)
{
  div.gridbox-topsection > div.ba-section-items > div.ba-container > div.ba-row > div.column-wrapper > div.ba-grid-column-wrapper.span8.ba-tb-pt-10 
  { width: 66% !important }
}