Element block pseudo-class :active generated with background display block z-index auto font-size 42px border-radius transition padding 20px font-weight bold text-shadow 1px 1px 1px rgba(0,0,0,0.2) overflow hidden box-shadow 1px 1px 1px rgba(0,0,0,0.3) width 160px position static float none height auto transform margin 0px cursor default box-sizing content-box border 0px rgba(0,0,0,1) solid line-height 1