body {
  background-image: url("images/battleback_ow_download.png");
  background-size:cover;
}

.container {
  display: flex;
  width: 100%;
  padding: 2% 1%;
  box-sizing: border-box;
  height: 90vh;
}

.box {
  flex: 1;
  overflow: hidden;
  transition: .8s;
  margin: 0 2%;
  line-height: 0;
}

.box > img {
  width: 120%;
  height: calc(80% - 10vh);
  object-fit: contain; 
  transition: .8s;
}

.box > span {
  font-size: 16px;
  color: #fff;
  text-align: center; 
  height: 5vh; 
  text-shadow: 0 0 10px #000;
}

.box:hover { flex: 1 1 20%; }
.box:hover > img {
  width: 100%;
  height: 100%;
}