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