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