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