EVOLUTION-NINJA

Edit File: style-gallery.css

* {
  margin: 0px;
  box-sizing: border-box;
}

.thumb_gallery {
  width: 200px;
  height: 150px;
  cursor: pointer;
}

.thumb_gallery:hover { opacity: 0.8; }

#background_overlay {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0, 0.9);
  z-index: 999;
  overflow: auto;
}

.container_img {
  position: relative;
  max-width: 1000px;
  max-height: 600px;
  margin: 2% auto;
  animation-name: zoom_image;
  animation-duration: 0.4s;
}

.con-ac-ar {
  width: 1000px;
  height: 600px;
  position: relative;
}

.closebtn {
  text-align: right;
  font-size: 2.5em;
  color: rgb(255, 255, 255);
  cursor: pointer;
}

.activePopUpImg {
  width: 1000px;
  height: 600px;
  padding: 5px;
  background-color: rgb(255, 255, 255);
  border-radius: 5px;
}

.previousImage, .nextImage {
  color: #fff;
  font-size: 2.5em;
  cursor: pointer;
  opacity: 0;
  width: 80px;
  text-align: center;
}

.previousImage {
  position: absolute;
  line-height: 600px;
  top: 0;
  left: 0;
  bottom: 0;
}

.nextImage {
  position: absolute;
  line-height: 600px;
  top: 0;
  right: 0;
  bottom: 0;
}

.previousImage:hover {
  opacity: 1;
  transition: 0.4s;
}

.nextImage:hover {
  opacity: 1;
  transition: 0.4s;
}
 @keyframes 
zoom_image {  from {
transform: scale(0.5)
}

to { transform: scale(1) }
}
 @media screen and (min-width: 650px) and (max-width: 1100px) {

.container_img {
  width: 100%;
  height: 500px;
}

.con-ac-ar {
  width: 100%;
  height: 500px;
}

.activePopUpImg {
  width: 100%;
  height: 500px;
}

.previousImage, .nextImage { line-height: 500px; }
}
@media screen and (min-width: 351px) and (max-width: 649px) {

.container_img {
  width: 100%;
  height: 400px;
}

.con-ac-ar {
  width: 100%;
  height: 400px;
}

.activePopUpImg {
  width: 100%;
  height: 400px;
}

.previousImage, .nextImage { line-height: 400px; }
}
 @media screen and (max-width: 350px) {

.container_img {
  width: 100%;
  height: 300px;
}

.con-ac-ar {
  width: 100%;
  height: 300px;
}

.activePopUpImg {
  width: 100%;
  height: 300px;
}

.previousImage, .nextImage { line-height: 300px; }
}