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