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