first, fix some random stuff that bothered me

src/html/_style_base.html.template

@@ -1,6 +1,5 @@
-<meta name='viewport' content='width=device-width, user-scalable=no, viewport-fit=cover, initial-scale=1'>
+<meta name="viewport" content="width=device-width, user-scalable=no, viewport-fit=cover, initial-scale=1">
 <style>
-
   body {
     font-family: Roboto, sans-serif;
     -moz-osx-font-smoothing: grayscale;

src/resources/ha-style.ts

@@ -30,7 +30,7 @@ documentContainer.innerHTML = `<custom-style>
       /* main interface colors */
       --primary-color: ${DEFAULT_PRIMARY_COLOR};
       --dark-primary-color: #0288d1;
-      --light-primary-color: #b3e5fC;
+      --light-primary-color: #b3e5fc;
       --accent-color: ${DEFAULT_ACCENT_COLOR};
       --divider-color: rgba(0, 0, 0, .12);
 

src/resources/roboto.js

@@ -115,18 +115,3 @@ font-style: italic;
 </style>`;
 
 document.head.appendChild(documentContainer.content);
-
-/**
-@license
-Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
-This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
-The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
-The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
-Code distributed by Google as part of the polymer project is also
-subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
-*/
-/*
-  FIXME(polymer-modulizer): the above comments were extracted
-  from HTML and may be out of place here. Review them and
-  then delete this comment!
-*/