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