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