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