body {
      background: rgba(255, 255, 255, 0.525); /* semi-transparent white background */

.email-form {
      max-width: 400px;
      margin: 50px auto;
      padding: 30px;
      background: #f8b8b8bc;
      border-radius: 10px;
      box-shadow: 0px 0px 15px rgba(0,0,0,0.1);
    }
    .btn-gradient {
      background: linear-gradient(to right, #d400ff, #6f42c1);
      color: #fff;
      border: none;
    }
    .btn-gradient:hover {
      opacity: 0.9;
    } }

    .modal-dialog {
  max-width: 450px;   /* adjust to fit just a bit wider than .email-form */
  margin: auto;       /* center horizontally */
}