JSFiddle - React, Tailwind, and code Playground

HTML

<a href="" class="btn">Conheça</a>

CSS

.btn {


  border-radius: 10px;
  padding: 8px 25px;
  text-transform: uppercarse;
  font-size: 1.2em;
  font-weight: 600;
  display: inline-block;
  border: 2px solid transparent;
  background-color: transparent;
  color: transparent;
  -webkit-background-clip: text;
  background-clip: text;
  border-image: linear-gradient(to right, #4e8bca, #5ea7dc, #63b0e1);
  border-image-slice: 1;
  background-image: -webkit-gradient(linear, left top, right top, color-stop(0.4, #4f8ccb), color-stop(0.6, #5a9fd7), color-stop(0.8, #5fa8dc), color-stop(1, #62aee0));
  background-image: gradient(linear, left top, right top, color-stop(0.4, #4f8ccb), color-stop(0.6, #5a9fd7), color-stop(0.8, #5fa8dc), color-stop(1, #62aee0));
  
}