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