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