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