* {
  box-sizing: border-box;
}

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

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

.column {
  float: left;
  width: 25%;
  margin-bottom: 15px;
}

/* The Modal (background) */
.modal {
  display: none;
  position: fixed;
  z-index: 20;
  padding-top: 100px;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0 , 0 , 0, 0.8);
}

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

/* The Close Button */
.close {
  color: #FEFEFF;
  position: absolute;
  top: 13px;
  right: 25px;
  font-size: 24px;
}

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

.mySlides {
  display: none;
}

.cursor {
  cursor: pointer;
}

/* Next & previous buttons */
.arrow_lightbox {
  cursor: pointer;
  width: auto;
  padding: 16px;
  color: #fff;
  font-weight: bold;
  font-size: 20px;
  transition: 0.6s ease;
  border-radius: 0 3px 3px 0;
  user-select: none;
  -webkit-user-select: none;
}

/* On hover, add a black background color with a little bit see-through */
.arrow_lightbox:hover {
  background-color: #FEFEFF;
}

/* Number text (1/3 etc) */
.numbertext {
  color: #FEFEFF;
  font-size: 12px;
  padding: 8px 12px;
  position: absolute;
  top: -25px;
}

img {
  margin-bottom: -4px;
}

.caption-container {
  text-align: left;
  padding: 2px 16px;
  color: #FEFEFF;
}

.demo {
  opacity: 1;
}

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

img.hover-shadow {
  transition: 0.3s;
}

.w3-display-left {
  left: -50px;
}
.w3-display-right {
  right: -50px;
}