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