font-weightThe font-weight CSS property controls the thickness of a font. It is set explicitly with the keyword bold or a number, or relative to the inherited thickness with the keywords bolder or lighter.fontsFontswidely2015-07-292018-01-29https://drafts.csswg.org/css-fonts-4/#font-weight-prophttps://developer.mozilla.org/docs/Web/CSS/Reference/Properties/font-weightcss.at-rules.font-face.font-weightcss.properties.font-weightcss.properties.font-weight.boldcss.properties.font-weight.boldercss.properties.font-weight.lightercss.properties.font-weight.normalcss.properties.font-weight.numbersvg.global_attributes.font-weighthttps://nowyoucanuse.com/features--font-weight.html