Text stroke and fill (compatibility prefixes)The -webkit-text-stroke-width and -webkit-text-stroke-color CSS properties set the thickness and color of text outlines. The -webkit-text-fill-color sets the color within text character outlines. Both default to the text color.cssCSSwidely2017-04-052019-10-05https://compat.spec.whatwg.org/#text-fill-and-strokingtext-strokehttps://developer.mozilla.org/docs/Web/CSS/Reference/Properties/-webkit-text-strokecss.properties.-webkit-text-fill-colorcss.properties.-webkit-text-strokecss.properties.-webkit-text-stroke-colorcss.properties.-webkit-text-stroke-widthhttps://nowyoucanuse.com/features--text-stroke-fill.html