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