@font-face {
  font-family: "MarshSerif";
  src:
    url("files/MarshSerif-Regular.otf") format("opentype"),
    url("files/MarshSerif-Italic.otf") format("opentype"),
    url("files/MarshSerif-Regular.otf") format("opentype"),
    url("files/MarshSerif-Italic.woff2") format("woff2");
}