.favorite-button{ 
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: transparent;
  border: 1px solid #E6E7E8;
  cursor: pointer;
}
.favorite-button img{ 
  filter: grayscale(100%) brightness(150%);
  height: 20px;
  width: 20px;
}


.favorite-button.favorited {
  background-color: white;
  border-color: white;
}
.favorite-button.favorited img {
  filter: none;
}