Multi-column drop down menu in Debut theme

Store Design
168

@VernonSullivan

  1. Go to Online Store->Theme->Edit code
  2. Asset->base.css → paste bellow code in bottom of file
.header__inline-menu ul.list-menu--inline > li:nth-child(3) #HeaderMenu-MenuList-3 { width: auto; column-count: 2; }