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