.button {
  background-color: white; /* Green */
  border: 2px solid #555555;
  color: black;
  padding: 16px 32px;
  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Oxygen, Ubuntu, Cantarell,
    Fira Sans, Droid Sans, Helvetica Neue, sans-serif;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  transition-duration: 0.4s;
  cursor: pointer;
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 1;
}

.button:hover {
  background-color: #555555;
  color: white;
}