index.html

<!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="stylesheet" href="styles.css" />
    <title>Error Pop window</title>
  </head>
  <body>
    <div class="window">
      <div class="border">
        <h2 class="er-title">Error</h2>
      </div>
      <div class="er-window-content">
        <img
          src="https://i.postimg.cc/wTQJ3hgb/error.png"
          width="30"
          height="30"
          alt=""
          class="er-icon"
        />
        <p>
          Please turn of your computer, and go for a walk 🚶‍♂️!
        </p>
      </div>
      <div>
        <button class="button-container">Let's go</button>
      </div>
    </div>
  </body>
</html>