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