.button {
  padding: 4pt 4pt 4pt 4pt;
  background-color: black;
  color: white;
  text-align: center;
  text-decoration: none;
  display: block;
}

.button:hover {
  background-color: red;
  color: white;
}

.button:active {
  background-color: darkred;
  color: white;
}