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