body {
  font-family: Arial;
  margin: 0;
}
    
* {
  box-sizing: border-box;
}
    
img {
  vertical-align: middle;
}
/* Position the image container (needed to position the left and right arrows) */
    
.container {
  position: relative;
}
/* Hide the images by default */
    
.mySlides {
  display: none;
}
/* Add a pointer when hovering over the thumbnail images */
    
.cursor {
  cursor: pointer;
}
/* Next & previous buttons */
    
.prev,
.next {
  cursor: pointer;
  position: absolute;
  top: 40%;
  width: auto;
  padding: 16px;
  margin-top: -50px;
  color: white;
  font-weight: bold;
  font-size: 20px;
  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;
}
/* On hover, add a black background color with a little bit see-through */
    
.prev:hover,
.next:hover {
   background-color: rgba(0, 0, 0, 0.8);
}
/* Number text (1/3 etc) */
    
.numbertext {
  color: #bd3636;
  font-size: 12px;
  padding: 8px 12px;
  position: absolute;
}
/* Container for image text */
    
.caption-container {
  text-align: center;
  background-color: #222;
  padding: 2px 16px;
  color: white;
}
    
.row:after {
  content: "";
  display: table;
  clear: both;
}
/* Six columns side by side */
    
.column {
  float: left;
  width: 16.66%;
}
/* Add a transparency effect for thumnbail images */
    
.demo {
  opacity: 0.6;
}
    
.active,
.demo:hover {
  opacity: 1;
}