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