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