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