.mbr-demo-banner {
  position: sticky;
  top: 0;
  z-index: 999999;
  width: 100%;
  box-sizing: border-box;
  padding: 14px 24px;
  background: #111;
  color: #fff;
  font-family: Arial, sans-serif;
  font-size: 16px;
  line-height: 1.4;
  text-align: center;
}

.mbr-demo-banner a {
  color: #fff;
  text-decoration: underline;
  margin-left: 12px;
}

.mbr-demo-banner a:hover {
  text-decoration: none;
}

@media (max-width: 600px) {
  .mbr-demo-banner {
    padding: 12px 16px;
    font-size: 14px;
  }

  .mbr-demo-banner a {
    display: block;
    margin: 4px 0 0;
  }
}