<!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" />
    <link rel="shortcut icon" type="image/x-icon" href="/favicon.ico" />
    <link rel="stylesheet" href="/css/common.css" />
    <title>TextureDisplayer</title>
  </head>
  <style>
    body {
      display: flex;
      justify-content: center;
      align-items: center;
    }
    #app {
      width: 50