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