.filterDiv {
  display: none;
}

.show {
  display: block;
}

.btn {
  border: none;
  outline: none;
  padding: 12px 16px;
  background-color: gray;
  color: white;
  cursor: pointer;
  margin: 3rem 1rem;
}

.btn:hover {
  background-color: #ddd;
}