body {
  padding: 100px;
}

h1 {
  position: relative;
  margin-bottom: 45px;
  font-family: 'Oswald', sans-serif;
  font-size: 44px;
  text-transform: uppercase;
  color: #424242;
}

.gallery-wrap {
  display: flex;
  flex-direction: row;
  width: 100%;
  height: 70vh;
}

.item {
  flex: 1;
  height: 100%;
  background-position: center;
  background-size: cover;
  background-repeat: none;
  transition: flex 0.8s ease;
}
.item:hover {
  flex: 7;
}

.item-1 {
  background-image: url("../img/em1.jpg");
}

.item-2 {
  background-image: url("../img/em2.jpg");
}

.item-3 {
  background-image: url("../img/em3.jpg");
}

.item-4 {
  background-image: url("../img/odin.jpg");
}


@media only screen and (max-width: 425px) {
    .gallery-wrap {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 70vh;
}
}