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