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