Kako napraviti kontakt formu na klik miša?

U ovome primjeru kreiraćemo jednostavnu kontakt formu koja se otvara klikom na link. 



<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
  <title>IT TUTORIJALI | Kontakt forma</title>
  <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/css/bootstrap.min.css">
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css">
  <script src="https://code.jquery.com/jquery-3.5.1.min.js"></script>
  <script src="https://cdn.jsdelivr.net/npm/popper.js@1.16.0/dist/umd/popper.min.js"></script>
  <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/js/bootstrap.min.js"></script>
  <style>
    body {
      color: #566787;
      background: #f5f5f5;
      font-family: "Varela Round", sans-serif;
    }

    .form-control {
      border-color: #e5e5e5;
      box-shadow: none;
    }

    .form-control:focus {
      border-color: #0cb4aa;
    }

    .contact-modal {
      padding: 50px;
      margin: 30px auto;
    }

    .contact-modal h4 {
      font-size: 26px;
      display: inline-block;
    }

    .contact-modal .form-control,
    .contact-modal .btn {
      min-height: 38px;
      border-radius: 1px;
      outline: none;
      border-radius: 2px;
      transition: all 0.5s;
    }

    .contact-modal textarea {
      height: 144px;
    }

    .contact-modal .btn-info {
      min-width: 120px;
    }

    .contact-modal .btn-link {
      color: #17a2b8;
    }

    .contact-modal label {
      opacity: 0.9;
      font-weight: normal;
      font-size: 95%;
    }

    .contact-modal textarea {
      resize: vertical;
    }

    .contact-modal .modal-header {
      padding: 20px 35px 15px;
    }

    .contact-modal .modal-content {
      border-radius: 1px;
    }

    .modal-footer {
      padding: 20px 35px;
    }

    .contact-modal .close {
      position: absolute;
      right: 35px;
      top: 25px;
    }

    .contact-modal .modal-body {
      padding: 25px 35px 15px;
    }

    .hint-text {
      opacity: 0.8;
    }

    .trigger-btn {
      display: inline-block;
      margin: 100px auto;
    }
  </style>
</head>

<body>
  <div class="text-center">
    <!-- Button HTML (to Trigger Modal) -->
    <a href="#myModal" class="trigger-btn" data-toggle="modal">Klikni na link kako bi otvorio kontakt formu</a>
  </div>

  <!-- Modal HTML -->
  <div id="myModal" class="modal fade">
    <div class="modal-dialog modal-lg contact-modal">
      <div class="modal-content">
        <form action="../confirmation.php" method="post">
          <div class="modal-header">
            <h4 class="modal-title">Pošalji nam poruku</h4>
            <button type="button" class="close" data-dismiss="modal" aria-hidden="true">&times;</button>
          </div>
          <div class="modal-body">
            <div class="row">
              <div class="col-md-6">
                <div class="form-group">
                  <input type="text" class="form-control" id="inputName" placeholder="Ime" required>
                </div>
                <div class="form-group">
                  <input type="email" class="form-control" id="inputEmail" placeholder="Email" required>
                </div>
                <div class="form-group">
                  <input type="text" class="form-control" id="inputEmail" placeholder="Telefon" required>
                </div>
              </div>
              <div class="col-md-6">
                <div class="form-group">
                  <textarea class="form-control" id="inputMessage" placeholder="Vaša poruka" required></textarea>
                </div>
              </div>
            </div>
          </div>
          <div class="modal-footer">
            <input type="button" class="btn btn-link" data-dismiss="modal" value="Poništi">
            <input type="submit" class="btn btn-info" value="Pošalji">
          </div>
        </form>
      </div>
    </div>
  </div>
</body>

</html>