Use Verily

static/style.css

+@font-face {
+  font-family: VerilySerifMono;
+  src: url('VerilySerifMono.otf') format('opentype');
+}
+
 :root {
   --background: #bfccbe;
   --foreground: #000000;
 body {
   background: #aab5a9;
   color: #000;
-  font-family: monospace;
+  font-family: VerilySerifMono, monospace;
   font-size: 14px;
 }
 
   background: var(--white);
   border: 1px solid var(--dark-accent);
   border-radius: 0;
+  font-family: inherit;
+  font-size: inherit;
   padding: 0.15em 0.3em;
   text-decoration: none;
 }