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