#moj:before {
    content: "admin";
}

#moj:after {
    content: "@example.com";
}

a.cryptedmail:after {
  content: attr(data-name) "@" attr(data-domain) "." attr(data-tld); 
color:#222;
}

.contact {
  font-family: 'Cuprum', sans-serif;
  font-size: 1.4rem;
  border-radius: 10px;
  padding: 8px 45px 8px 45px; 
  background-color: #000;
  color: #dfdfdf;
  font-weight: bold;
  border: 0;
}