.longImage {
  object-fit: cover;
  max-width: 100%;
  min-width: 100%;
  height: 400px;
}
@media only screen and (max-width: 750px) {
  .longImage {
    height: 300px;
  }
}
@media only screen and (max-width: 500px) {
  .longImage {
    height: 200px;
  }
}