Add padding to fixed footer, to more quickly support scrolling.

app/assets/stylesheets/pages/login.scss

@@ -250,4 +250,8 @@
     height: 40px;
     background: $white-light;
   }
+
+  .navless-container {
+    padding: 65px; // height of footer + bottom padding of email confirmation link
+  }
 }