Switch to mozilla cdn for fonts

index.html

@@ -5,10 +5,11 @@
         <meta http-equiv="X-UA-Compatible" content="IE=Edge">
         <meta name="viewport" content="width=device-width, initial-scale=1">
         <title>Triage Status for Firefox Components - Public</title>
-        <link href="https://fonts.googleapis.com/css?family=Open+Sans|Zilla+Slab" rel="stylesheet"> 
+        <link href="https://code.cdn.mozilla.net/fonts/zilla-slab.css" rel="stylesheet"> 
+        <link href="https://code.cdn.mozilla.net/fonts/fira.css" rel="stylesheet">
         <style>
             body {
-                font-family: 'Open Sans', sans-serif;
+                font-family: 'Fira', sans-serif;
                 font-size: 4vh;
                 padding: 0.1em 1em;
                 margin: 0;