footer,
.powered-by,
.powered,
[class*="powered"],
[id*="powered"],
a[href*="listmonk"],
a[href*="listmonk.app"],
a[href*="listmonk.io"] {
  display: none !important;
  visibility: hidden !important;
  opacity: 0 !important;
  height: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
}