Inrease font size for small devices

src/http/static/mediocre.css

@@ -61,6 +61,12 @@ html {
   font-size: 1em;
 }
 
+@media (max-width: 800px) {
+    html {
+        font-size: 1.3em;
+    }
+}
+
 header {
     background: var(--nc-bg-1);
     font-size: 1.5rem;