.modal-row > .modal-column {
  padding: 0 8px;
}

.modal-row:after {
  content: "";
  display: table;
  clear: both;
}

.modal-flat-row {
    display: inline-block;
    white-space: nowrap;
    overflow-x:scroll;
}

.modal-column {
  float: left;
  width: 25%;
}

/* The Modal (background) */
.modal {
  display: none;
  position: fixed;
  z-index: 1;
  padding-top: 4%;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: black;
}

/* Modal Content */
.modal-content {
  position: relative;
  background-color: #000000;
/*
  margin: auto;
  padding: 0;
  width: 90%;
  max-width: 1200px;
*/
}

/* The Close Button */
.close {
  color: white;
  position: absolute;
  top: 10px;
  right: 25px;
  font-size: 35px;
  font-weight: bold;
  z-index: 200;
}

.close:hover,
.close:focus {
  color: #999;
  text-decoration: none;
  cursor: pointer;
}

.mySlides {
  display: none;
}

/* Next & previous buttons */
.prev,
.next {
  cursor: pointer;
  position: absolute;
  top: 50%;
  width: auto;
  padding: 16px;
  margin-top: -50px;
  color: white !important;
  font-weight: bold;
  font-size: 20px;
  transition: 0.6s ease;
  border-radius: 0 3px 3px 0;
  user-select: none;
  -webkit-user-select: none;
}

/* Position the "next button" to the right */
.next {
  right: 0;
  border-radius: 3px 0 0 3px;
}

.prev {
    left: 0;
}

/* On hover, add a black background color with a little bit see-through */
.prev:hover,
.next:hover {
  background-color: rgba(0, 0, 0, 0.5);
}

/* Number text (1/3 etc) */
.numbertext {
  color: #f2f2f2;
  font-size: 12px;
  padding: 8px 12px;
  position: absolute;
  top: 0;
  text-shadow: #4c4949 1px 3px 20px; 
}

.caption-container {
  text-align: center;
  background-color: black;
  padding: 2px 16px;
  color: white;
}

img.demo {
  opacity: 0.4;
  max-height: 20%;
  max-width: 20%;
}

img.modal-image {
    max-width: 90%;
    max-height: 60%;
    margin:auto;
}

.active,
.demo:hover {
  opacity: 1 !important;
}

img.hover-shadow {
  transition: 0.3s
}


.hover-shadow:hover {
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19)
}

/* up to iPad */
@media (max-width: 768px) {
    img.modal-image {
        max-width: 100%;
    }
    a.next {
        z-index: 100;
    }
    a.prev {
        z-index: 100;
    }
    .modal-content {
        margin-top: 8%;
    }
}

/* iPhone 5 */
@media (max-width: 320px) {
    img.modal-image {
        max-width: 100%;
    }
    a.next {
        z-index: 100;
    }
    a.prev {
        z-index: 100;
    }
}