.logo {
  text-align: center;
  display: flex;
  justify-content: center;
}

.logo img {
  margin: 0 auto;
}

/* Targets a button tag, with the button class, of type submit, inside a form */
form button.button[type="submit"] {
  background-color: #800080 !important;
  color: white !important;
  border-color: #800080 !important; /* Adding this just in case the default has a border */
}

form button.button[type="submit"]:hover {
  background-color: #FFD700 !important;
  color: #333 !important;
  border-color: #FFD700 !important;
}