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