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