.mbr-demo-banner {
  position: sticky;
  top: 0;
  width: 100%;
  background: #111;
  color: #fff;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 14px;
  padding: 10px 16px;
  text-align: center;
  z-index: 999999;
}

.mbr-demo-banner a {
  color: #fff;
  text-decoration: underline;
  margin-left: 6px;
}

/* Prevent content from hiding behind sticky banner */
body {
  margin-top: 0;
}