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