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