.nf-form-content button, .nf-form-content input[type=button], .nf-form-content input[type=submit] {
  background: #014900 !important;
  color: white !important;
}


  .nf-form-content button:hover, .nf-form-content input[type=button]:hover, .nf-form-content input[type=submit]:hover {
    background: #414141 !important;
    color: white !important;
    cursor: pointer !important;
  }