<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Loading...</title>
    <style>
      body {
        -webkit-app-region: drag;
        background-color: transparent;
      }
      .loader {
        color: #4597de;
        font-size: 20px;
        margin: 100px auto;
        width: 1em;
        height: 1em;
        border-radius: 50%;
      