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