/* Target only the "Sign up here" link in the API description */
.swagger-ui .info .description .renderedMarkdown a[href="https://site.jetnet.com/api-release-notes"] {
  color: #d9534f !important; /* your banner red */
  text-decoration: underline; /* optional */
}

  /* Optional: keep it red on hover too */
  .swagger-ui .info .description .renderedMarkdown a[href="https://site.jetnet.com/api-release-notes"]:hover {
    color: #b52b27 !important; /* darker red on hover */
  }