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