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