.hovertext{position:relative;border-bottom:1px dotted black}.hovertext_noline{position:relative}.hovertext:before,.hovertext_noline:before{content:attr(data-hover);visibility:hidden;opacity:0;width:180px;background-color:#3C473A;color:#fff;text-align:center;border-radius:5px;padding:5px 5px;transition:opacity 1s ease-in-out;position:absolute;z-index:1;left:0;top:110%}.hovertext:hover:before,.hovertext_noline:hover:before{opacity:1;visibility:visible}