div[data-type="metapress-blocks/restricted-content-block"] {
  border: 2px solid rgba(0,124,186,0.5);
  position: relative;
  padding-left: 20px;
  padding-right: 20px;
  border-radius: 10px;
}

div[data-type="metapress-blocks/restricted-content-block"]:before {
  content: "Web3 Access Restricted Content";
  position: absolute;
  left: 15px;
  top: -35px;
  opacity: 0.75;
}