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