popup.html

<!DOCTYPE html>
<html lang="zh-tw">
  <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="stylesheet" href="css/popup.css" />
    <title>NO TITLE</title>
    <style>
      body {
        width: 250px;
        background-color: liner-gradient(45deg, #f3f3f3, #ffffff);
        padding: 10px;
        text-align: center;
        transition: background-color 0.75s ease;
        font-size: 13px;
        font-family: 'Helvetica Neue', 'Lucida Grande', sans-serif;
      }
      .logo {
        filter: drop-shadow(3px 3px 5px rgba(0, 0, 0, 0.7));
      }
    </style>
  </head>
  <body>
    <p>Made by <a rel="noopener" href="https://github.com/dada878" target="_blank">Dada878</a></p>
  </body>
</html>