.mc-cookie-consent {
  display: none;
}

.gdpr-cb-shown .mc-cookie-consent {
  display: block;
  position: fixed;
  z-index: 10000;
  left: 0;
  right: 0;
  bottom: 0;
  background: #FFF;
  box-shadow: 0 0 1em #BBB;
}