#modalTitle {
  font-size: 22px;
}
.advert-buttons {
  margin-top: 10px;
}
#demoAdvertModal {
background-color: #009;
  background: url('/images/backgrounds/challenges-online-demo.png'); opacity: 0.6;
  background-size: cover;
  font-weight: bold !important;
  opacity: 1;
}
#demoAdvertModal, #demoAdvertModal p, #demoAdvertModal a, #demoAdvertModal label {
  color: white !important;
}