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