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