<button class="button">Hover over me 👋🏾</button>
<div class="footer"><p>Created by <a href="https://www.rembertdesigns.co/" target="_blank">Richard Rembert</a></p>
</div>
body {
  display: flex;
  min-height: 100vh;
  justify-content: center;
  align-items: center;
}
.button {
  font-size: 3em;
  font-family: monospace;
  background-color: green;
  border: 2px solid #000;
  padding: 0.25em 0.5em;
  transition: background-color 2s ease-out;
}
.button:hover {
  background-color: gold;
}
.footer {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 1rem;
  background-color: #000;
  text-align: center;
}
.footer p {
text-decoration: none;
color: #fff;
}
.footer a {
  text-decoration: none;
  color: gold;
}
.footer a:hover {
  text-decoration: underline;
  color: green;
}

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.