Комментарий shpargalkablog.ru/2013/11/gradient-text.html#c1457863597360174550

by NMitra

HTML

<a href="#"><span>Nominate Yourself</span></a>

CSS

body {
  font: normal 1em 'Helvetica Neue', Roboto, 'Open Sans', Helvetica, Arial, sans-serif;
  background: #1d2025;
  margin: 2em;
}
a {
  display: inline-block;
  padding: 2px;
  border-radius: 5px;
  background: #15b17f linear-gradient(270deg, #9acd5a, #15b17f);
  text-decoration: none;
}
a span {
  display: inline-block;
  padding: 1em;
  border-radius: 5px;
  color: #fff;
  background: #1d2025;
  mix-blend-mode: darken;
}