body {
  font-family: sans-serif;
}

.likeBtn {
  border-radius: 15px;
  border-width: 2px;
  border-color: #888;
  color: #888;
  font-weight: bold;
}

.likeBtn--hover {
  border-color: #f00;
  color: #f00;
  background-color: white;
}

.likeBtn--liked {
  color: white;
  border-color: #f00;
  background-color: #f00;
}