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