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