/* Bootstrap CSS classes */
.form-group {
    margin-bottom: 1.5rem;
  }

  .form-label {
    font-weight: bold;
  }

  .form-control {
    width: 100%;
    padding: .375rem .75rem;
    font-size: 1rem;
    line-height: 1.5;
    color: #495057;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid #ced4da;
    border-radius: .25rem;
    transition: border-color .15s ease-in-out,box-shadow .15s ease-in-out;
  }

  .form-control:focus {
    border-color: #80bdff;
    outline: 0;
    box-shadow: 0 0 0 .2rem rgba(0, 123, 255, .25);
  }

  .btn-primary {
    color: #fff;
    background-color: #007bff;
    border-color: #007bff;
  }

  .btn-primary:hover {
    color: #fff;
    background-color: #0069d9;
    border-color: #0062cc;
  }

  /* Custom styling */
  .double-column.form-group {
    display: inline-block;
    width: calc(48% - 1rem);
    margin-right: 1rem;
  }

  @media (max-width: 768px) {
    .double-column.form-group {
      width: 100%;
      margin-right: 0;
    }
  }