/* kill any alt/striped background hitting the 4th column in that row */
#four-col-row .vc_column_container:nth-child(4) .vc_column-inner {
  background: transparent !important;
  box-shadow: none !important;
}
#four-col-row .overlay, 
#four-col-row .column-background, 
#four-col-row .inner-background {
  background: transparent !important;
}