mdBook-improved-theme/fonts/fonts.css

@font-face {
  font-family: "Inconsolata";
  src: url("./Inconsolata-Variable.woff2") format("woff2");
}

@font-face {
  font-family: "Roboto Slab";
  src: url("./RobotoSlab-Variable.woff2") format("woff2");
}

@font-face {
  font-family: "Open Sans";
  src: url("./OpenSans-Light.woff2") format("woff2");
  font-weight: 300;
  font-style: normal;
}
@font-face {
  font-family: "Open Sans";
  src: url("./OpenSans-Regular.woff2") format("woff2");
  font-weight: normal;
  font-style: normal;
}
@font-face {
  font-family: "Open Sans";
  src: url("./OpenSans-Bold.woff2") format("woff2");
  font-weight: bold;
  font-style: normal;
}
@font-face {
  font-family: "Open Sans";
  src: url("./OpenSans-Italic.woff2") format("woff2");
  font-weight: normal;
  font-style: italic;
}
@font-face {
  font-family: "Open Sans";
  src: url("./OpenSans-BoldItalic.woff2") format("woff2");
  font-weight: bold;
  font-style: italic;
}

@font-face {
  font-family: "Roboto";
  src: url("./Roboto-Light.woff2") format("woff2");
  font-weight: 300;
  font-style: normal;
}
@font-face {
  font-family: "Roboto";
  src: url("./Roboto-Regular.woff2") format("woff2");
  font-weight: normal;
  font-style: normal;
}
@font-face {
  font-family: "Roboto";
  src: url("./Roboto-Bold.woff2") format("woff2");
  font-weight: bold;
  font-style: normal;
}
@font-face {
  font-family: "Roboto";
  src: url("./Roboto-Italic.woff2") format("woff2");
  font-weight: normal;
  font-style: italic;
}
@font-face {
  font-family: "Roboto";
  src: url("./Roboto-BoldItalic.woff2") format("woff2");
  font-weight: bold;
  font-style: italic;
}

@font-face {
  font-family: "Merriweather";
  src: url("./Merriweather-Light.woff2") format("woff2");
  font-weight: 300;
  font-style: normal;
}
@font-face {
  font-family: "Merriweather";
  src: url("./Merriweather-Regular.woff2") format("woff2");
  font-weight: normal;
  font-style: normal;
}
@font-face {
  font-family: "Merriweather";
  src: url("./Merriweather-Bold.woff2") format("woff2");
  font-weight: bold;
  font-style: normal;
}
@font-face {
  font-family: "Merriweather";
  src: url("./Merriweather-Italic.woff2") format("woff2");
  font-weight: normal;
  font-style: italic;
}
@font-face {
  font-family: "Merriweather";
  src: url("./Merriweather-BoldItalic.woff2") format("woff2");
  font-weight: bold;
  font-style: italic;
}