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