.container {
  display: flex;
  width: 100%;
  padding: 4% 2%;
  box-sizing: border-box;
  height: 100vh;
}
.box {
  flex: 1;
  overflow: hidden;
  transition: .5s;
  margin: 0 2%;
  box-shadow: 0 20px 30px rgba(0,0,0,.1);
  line-height: 0;
}
.box > img {
  width: 200%;
  height: calc(100% - 10vh);
  object-fit: cover; 
  transition: .5s;
  object-position: top;
}
.box > span {
  font-size: 3.8vh;
  display: block;
  text-align: center;
  height: 10vh;
  line-height: 2.6;
}

.box:hover { flex: 1 1 50%; }
.box:hover > img {
  width: 100%;
  height: 100%;
}

/* Style the Image Used to Trigger the Modal */
#myImg {
  border-radius: 5px;
  cursor: pointer;
  transition: 0.3s;
}
#myImg:hover {opacity: 0.7;}
/* Modal Window */
/* The Modal (background) */
.modal {
  display: none; /* Hidden by default */
  position: fixed; /* Stay in place */
  z-index: 1; /* Sit on top */
  padding-top: 100px; /* Location of the box */
  left: 0;
  top: 0;
  width: 100%; /* Full width */
  height: 100%; /* Full height */
  overflow: auto; /* Enable scroll if needed */
  background-color: rgb(0,0,0); /* Fallback color */
  background-color: rgba(0,0,0,0.9); /* Black w/ opacity */
}
/* Modal Content (Image) */
.modal-content {
  margin: auto;
  display: block;
  width: 80%;
  max-width: 700px;
}
/* Caption of Modal Image (Image Text) - Same Width as the Image */
#caption {
  font-family: Arimo;
  font-size: 2em;
  margin: auto;
  display: block;
  width: 80%;
  max-width: 700px;
  text-align: center;
  color: #ccc;
  padding: 10px 0;
  height: 150px;
}
/* Add Animation - Zoom in the Modal */
.modal-content, #caption {
  animation-name: zoom;
  animation-duration: 0.6s;
}
@keyframes zoom {
  from {transform:scale(0)}
  to {transform:scale(1)}
}
/* The Close Button */
.close {
  position: absolute;
  top: 15px;
  right: 35px;
  color: #f1f1f1;
  font-size: 8em;
  font-weight: bold;
  transition: 0.3s;
}

.close:hover,
.close:focus {
  color: #bbb;
  text-decoration: none;
  cursor: pointer;
}
/* 100% Image Width on Smaller Screens */
@media only screen and (max-width: 700px){
  .modal-content {
    width: 100%;
  }
}