Visitor sign in kiosk: multi-site, badge printing, WWCC expiry warnings, admin accounts with 2FA

public/index.html

@@ -10,7 +10,7 @@
 </head>
 <body>
 
-<header class="bar">
+<header class="bar align-left" id="bar">
   <img class="banner" id="banner" alt="" hidden>
   <p class="site" id="siteName">Visitor sign in</p>
   <p class="clock" id="clock"></p>