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