Wie kann man ein Bild mit transparentem Text mit CSS erstellen

Source Code: (back to article)

<!DOCTYPE html>
<html>
  <head>
    <title>Blur-Effekt auf Textblock</title>
    <style>
      * {
      box-sizing: border-box;
      }
      .text-block {
      background: url(https://w3docs.com/uploads/media/default/0001/03/0a71a511b3381286ced8e2fc7f331296cd96649f.png);
      background-attachment: fixed;
      width: 300px;
      height: 200px;
      position: relative;
      overflow: hidden;
      margin: 20px;
      }
      .text-block > header {
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      padding: 20px 10px;
      background: inherit;
      background-attachment: fixed;
      overflow: hidden;
      }
      .text-block > header::before {
      content: "";
      position: absolute;
      top: -20px;
      left: 0;
      width: 200%;
      height: 200%;
      background: inherit;
      background-attachment: fixed;
      -webkit-filter: blur(4px);
      filter: blur(4px);
      }
      .text-block > header::after {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.25)
      }
      .text-block > header > h2 {
      margin: 0;
      color: white;
      position: relative;
      z-index: 1;
      }
    </style>
  </head>
  <body>
    <h1>Blur-Effect auf Textblock</h1>
    <div class="text-block">
      <header>
        <h2>
          Blur Effect
        </h2>
      </header>
    </div>
  </body>
</html>