<div>

  <a class="button" href="https://siterost.net">Перейти на сайт</a>

</div>
a.button {
  display: inline-block;
  background: #2196f3;
  color: #fff;
  padding: 12px;
  border-radius: 3px;
  text-decoration: none;
  font-family: Tahoma;
  font-size: 18px;
  line-height: 1;
  font-weight: 100;
}

div {
  margin: 24px;
  text-align: center;
}

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

  1. https://cdnjs.cloudflare.com/ajax/libs/jquery/3.4.1/jquery.min.js