body{
  font-family: -apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;
  background: #f9f9f9;
}
.gg-box {
	display: grid;
	grid-template-columns: 1fr 1fr 1fr 1fr;
	grid-gap: 20px;
}
.gg-element img {
	cursor: pointer;
	width: 100%;
	height: 100%;
	background: rgba(255,255,255,0.02);
	border-radius: 10px;
	box-shadow: 1px 1px 5px 0px rgba(0,0,0,0.75);
}
.gg-element img:hover{
  opacity: 0.98;
}
#gg-screen{
  position: fixed;
  width: 100%;
  height: 100%;
  z-index: 1;
  top:0;
  left: 0;
  display: none;
  background: rgba(255,255,255,0.85);
  z-index: 9999;
  text-align: center;
}
#gg-screen .gg-image{
  height: 100%;
  display: inline-flex;
  justify-content: center;
  align-items: center;
}
#gg-screen .gg-image img{
  max-width: 100%;
  max-height: 100%;
  margin: 0 auto;
}
.gg-bt {
	width: 38px;
	height: 38px;
	background: #222;
	color: rgba(255,255,255,0.6);
	border-radius: 50%;
	text-align: center;
	line-height: 32px;
	vertical-align: middle;
	display: inline-block;
	cursor: pointer;
	-moz-transition: all .4s ease;
	-o-transition: all .4s ease;
	-webkit-transition: all .4s ease;
	transition: all .4s ease;
	font-size: 25px;
	border: 1px solid rgba(0,0,0,0.05);
	box-sizing: border-box;
	padding-left: 2px;
}
.gg-bt:hover {
	background: rgba(255,255,255,0.8);
	border: 1px solid rgba(0,0,0,0.5);
	color: #222;
}
.gg-close{
  position: fixed;
  top:0.5em;
}
.gg-close,.gg-nxt{
  right: 0.5em;
}
.gg-prev{
  left: 0.5em;
}
.gg-prev,.gg-nxt{
  position: fixed;
  bottom: 50%;
}
@media (min-width:478px){
  .gg-element:nth-child(3n+0){
    grid-row-end: span 2;
  }
}
@media(max-width:768px){
    .gg-box{
        grid-template-columns: repeat(auto-fit,minmax(150px,1fr));
        grid-auto-rows: 150px;
        grid-gap: 6px;
    }
}
@media(max-width: 450px){
    .gg-box{
        grid-template-columns: repeat(auto-fit,minmax(100px,1fr));
        grid-auto-rows: 100px;
        grid-gap: 4px;
    }
}