Kako napraviti formu za potvrdu?

U ovome primjeru kreiraćemo jednostavnu formu za potvrdu. 



<!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 | Potvrda forme</title>
  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Roboto|Varela+Round">
  <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/css/bootstrap.min.css">
  <link rel="stylesheet" href="https://fonts.googleapis.com/icon?family=Material+Icons">
  <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 {
      font-family: 'Varela Round', sans-serif;
    }

    .modal-confirm {
      color: #636363;
      width: 400px;
    }

    .modal-confirm .modal-content {
      padding: 20px;
      border-radius: 5px;
      border: none;
      text-align: center;
      font-size: 14px;
    }

    .modal-confirm .modal-header {
      border-bottom: none;
      position: relative;
    }

    .modal-confirm h4 {
      text-align: center;
      font-size: 26px;
      margin: 30px 0 -10px;
    }

    .modal-confirm .close {
      position: absolute;
      top: -5px;
      right: -2px;
    }

    .modal-confirm .modal-body {
      color: #999;
    }

    .modal-confirm .modal-footer {
      border: none;
      text-align: center;
      border-radius: 5px;
      font-size: 13px;
      padding: 10px 15px 25px;
    }

    .modal-confirm .modal-footer a {
      color: #999;
    }

    .modal-confirm .icon-box {
      width: 80px;
      height: 80px;
      margin: 0 auto;
      border-radius: 50%;
      z-index: 9;
      text-align: center;
      border: 3px solid #f15e5e;
    }

    .modal-confirm .icon-box i {
      color: #f15e5e;
      font-size: 46px;
      display: inline-block;
      margin-top: 13px;
    }

    .modal-confirm .btn,
    .modal-confirm .btn:active {
      color: #fff;
      border-radius: 4px;
      background: #60c7c1;
      text-decoration: none;
      transition: all 0.4s;
      line-height: normal;
      min-width: 120px;
      border: none;
      min-height: 40px;
      border-radius: 3px;
      margin: 0 5px;
    }

    .modal-confirm .btn-secondary {
      background: #c1c1c1;
    }

    .modal-confirm .btn-secondary:hover,
    .modal-confirm .btn-secondary:focus {
      background: #a8a8a8;
    }

    .modal-confirm .btn-danger {
      background: #f15e5e;
    }

    .modal-confirm .btn-danger:hover,
    .modal-confirm .btn-danger:focus {
      background: #ee3535;
    }

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

<body>
  <div class="text-center">
    <!-- Dugme HTML (Trigger Model) -->
    <a href="#myModal" class="trigger-btn" data-toggle="modal">Kliknite da biste otvorili model za potvrdu</a>
  </div>

  <!-- Model HTML -->
  <div id="myModal" class="modal fade">
    <div class="modal-dialog modal-confirm">
      <div class="modal-content">
        <div class="modal-header flex-column">
          <div class="icon-box">
            <i class="material-icons">&#xE5CD;</i>
          </div>
          <h4 class="modal-title w-100">Da li si siguran?</h4>
          <button type="button" class="close" data-dismiss="modal" aria-hidden="true">&times;</button>
        </div>
        <div class="modal-body">
          <p>Da li stvarno želite izbrisati ove zapise? Ovaj postupak se ne može poništiti.</p>
        </div>
        <div class="modal-footer justify-content-center">
          <button type="button" class="btn btn-secondary" data-dismiss="modal">Odustani</button>
          <button type="button" class="btn btn-danger">Potvrdi</button>
        </div>
      </div>
    </div>
  </div>
</body>

</html>