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