Element block pseudo-class :active generated with margin 0px box-sizing content-box box-shadow 1px 1px 1px rgba(0,0,0,0.3) transform border-radius position static z-index auto border 0px rgba(0,0,0,1) solid font-size 16px background width 160px font-weight normal cursor default transition text-shadow 1px 1px 1px rgba(0,0,0,0.2) display block line-height 1 height auto float left padding 20px overflow hidden