şu şekilde yapabilirsin temel olarak yaptın dilediğin gibi değişiklik yapabilirsin.
<!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" />
    <title>Document</title>
    <style>
      #sabit {
        z-index: 9999;
        position: relative;
        right: 0px;
        clip: rect(0 100 85 0);
      }
      .xClosed {
        position: absolute;
        top: 0;
        left: 0;
        cursor: pointer;
        padding: 5px 7px;
        font-weight: bold;
        background-color: bisque;
        margin: 0;
        border-radius: 50%;
        text-align: center;
      }
    </style>
  </head>
  <body>
    <div id="sabit">
      <a
        href="https://mir-s3-cdn-cf.behance.net/project_modules/max_1200/5eeea355389655.59822ff824b72.gif"
        ><img
          src="https://mir-s3-cdn-cf.behance.net/project_modules/max_1200/5eeea355389655.59822ff824b72.gif"
          alt=""
          width="200px"
          height="200px"
      /></a>
      <p class="xClosed">X</p>
    </div>
    <script>
      let x = document.querySelector(".xClosed");
      x.onclick = (e) => {
        document.getElementById("sabit").style.display = "none";
      };
    </script>
  </body>
</html>
[COLOR=#D9DAE9][FONT=consolas]
[/FONT][/COLOR]