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