/* Stable rounded contact button: animated metallic layers caused rectangular hover artifacts. */
form button[type="submit"] {
  background: #24282e !important;
  color: #fff !important;
  border: 1px solid #4a5056 !important;
  border-radius: 9999px !important;
  overflow: hidden !important;
  isolation: isolate;
  transition: background-color .18s ease, box-shadow .18s ease !important;
}
form button[type="submit"] > span[aria-hidden="true"] { display: none !important; }
form button[type="submit"]:hover { background: #343a40 !important; }
form button[type="submit"]:focus-visible { outline: 3px solid #7878cd; outline-offset: 3px; }
form button[type="submit"]:disabled { cursor: wait; opacity: .65; }