<html lang="en">

<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <link href="https://fonts.googleapis.com/css2?family=Baloo+2&display=swap" rel="stylesheet" />
  <title>Backdrop Filter</title>
</head>

<body>
  <div class="container">
    <div class="content">
      <p>
        Lorem ipsum dolor sit amet, consectetur adipisicing elit.
      </p>
      <p>
        Lorem ipsum dolor sit amet, consectetur adipisicing elit. Officiis,
        quae distinctio magnam, laborum iusto itaque autem! Molestiae enim
        distinctio molestias, dolores ea quasi magni nisi aspernatur magnam,
        voluptate eum fuga.
      </p>
    </div>
  </div>
</body>

</html>
html,
body {
  height: 100%;
  width: 100%;
}

.content {
  background-color: rgba(255, 255, 255, 0.5);
  border-radius: 5px;
  color: #333;
  font-family: "Baloo 2", cursive;
  line-height: 1.5;
  max-width: 50%;
  padding: 1rem 2rem;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

body {
  background-image: url("https://www.acnnhome.com/wp-content/uploads/2018/11/attractive-black-wall-living-room-522.jpg");
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}

.container {
  align-items: center;
  display: flex;
  justify-content: center;
  height: 100%;
}

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.