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