Add padding and button style to popup link

Add padding and button style to popup link

Add CSS:
Idea
.popup-link__button {
  background-color: #013a34;
  color: white;
  border-radius: 15px;
}
.popup-link__button:hover {
  background: black;
  color: white;
}
.popup-link__content--drawer {
  background-color: #e5e5e5;
}