<!-- A button to open the popup form -->
<button class="open-button" onclick="openForm()">Open Form</button>

<!-- The form -->
<div class="form-popup" id="myForm">
  <form action="/action_page.php" class="form-container">
    <h1>Login</h1>

    <label for="email"><b>Email</b></label>
    <input type="text" placeholder="Enter Email" name="email" required>

    <label for="psw"><b>Password</b></label>
    <input type="password" placeholder="Enter Password" name="psw" required>

    <button type="submit" class="btn">Login</button>
    <button type="button" class="btn cancel" onclick="closeForm()">Close</button>
  </form>
</div>