Untitled

<button aria-label="Close" onclick="myDialog.close()">X</button>

<label for="fmUserName">Your name</label>
<input id="fmUserName">

<button aria-label="Close" onclick="myDialog.close()">X</button>`

<button
      aria-label="Back to the page"
      title="Close" onclick="myDialog.close()">X</button>

<!DOCTYPE html>
<html lang="en">
<head>
    <title></title>
</head>
<body>
    <button title="Close"> X </button>
    <br />
    <br />
    <br />
    <br />
    <button aria-label="Back to the page" title="Close" > X </button>
</body>
</html>