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