index.html

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<html lang="en">
  <head>
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    <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1,user-scalable=no">
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    <title></title>
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  <body>
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    <div id="root"></div>
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    <script>
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        window.viewportUnitsBuggyfill.init({
          hacks: window.viewportUnitsBuggyfillHacks
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