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