@media (max-width: 850px) {
  .quote form .btn.yellow,
  .quote form button[type="submit"] {
    background: #f56b1f !important;
    color: #fff !important;
    opacity: 1 !important;
    filter: none !important;
    box-shadow: none !important;
    border: 0 !important;
  }
}