.site-announcement {
  background-color: #ffeb3b;
  color: #000000;
}

.alert--warning,
.alert--site-announcement {
  background-color: #ffeb3b;
  border-color: #ffeb3b;
  color: #000000;
}

.alert .button:visited,
.alert .button:hover,
.alert .button:focus,
.alert .button:active {
  color: #000000;
}

.visually-hidden {
  color: #ffffff !important;
}