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