Element block pseudo-class :active generated with background z-index auto padding 20px float none box-sizing content-box font-size 16px text-shadow 1px 1px 1px rgba(0,0,0,0.2) cursor default transition overflow hidden height auto border-radius border 0px rgba(0,0,0,1) solid display block transform margin 0px font-weight normal position static line-height 1 box-shadow 1px 1px 1px rgba(0,0,0,0.3) width 160px