html, body, .container {
	height: 100%;
}

.js .boxgallery,
.js .boxgallery div {
	position: absolute;
}

.js .boxgallery,
.bg-tile,
.bg-img {
	overflow: hidden;
}

.js .boxgallery,
.js .panel {
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
}

.panel {
	z-index: 0;
	-webkit-perspective: 1200px;
	perspective: 1200px;
}

.bg-tile {
	width: 50%;
	height: 50%;
}

.bg-tile:nth-child(2),
.bg-tile:nth-child(4) {
	left: 50%;
}

.bg-tile:nth-child(3),
.bg-tile:nth-child(4) {
	top: 50%;
}

.bg-img {
	width: 100%;
	height: 100%;
	background: #999;
}

.bg-img img {
	position: absolute;
	display: block;
	height: 200%;
	right:0;
}

@media screen and (min-aspect-ratio: 1280/850) {
	.bg-img img {
		width: 200%;
		height: auto;
	}
}

.bg-tile:nth-child(1) .bg-img img,
.bg-tile:nth-child(3) .bg-img img {
	right: -100%;
}

.bg-tile:nth-child(3) .bg-img img,
.bg-tile:nth-child(4) .bg-img img {
	top: -100%;
}

/* Navigation Arrow */
.boxgallery > nav span {
	position: absolute;
	top: 50%;
	z-index: 1000;
	display: block;
	width: 60px;
	height: 120px;
	outline: none;
	text-align: left;
	cursor: pointer;
	-webkit-transform: translateY(-50%);
	transform: translateY(-50%);
}

.boxgallery > nav span:hover {
	transition:all 0.5s ease;
	box-shadow:0 0 20px rgba(0,0,0,0.3);
}

.boxgallery > nav span.prev {
	left: 0;
	background:url("../img/prev_arrow.png") no-repeat 10px center;
	border-radius:0 60px 60px 0;
	background-color:rgba(255,255,255,0.15);
}


.boxgallery > nav span.next {
	right: 0;
	background:url("../img/next_arrow.png") no-repeat 25px center;
	border-radius:60px 0 0 60px;
	background-color:rgba(255,255,255,0.15);
}

/* Transitions and individual delays/effects */
/* The "active" class is given to the panel that is coming */

.panel.current {
	z-index: 2;
}

.panel.active {
	z-index: 1;
}

.panel.current .bg-img {
	-webkit-transition: -webkit-transform 1.1s ease-in-out;
	transition: transform 1.1s ease-in-out;
}

.boxgallery[data-effect="effect-1"] .panel.active .bg-tile,
.boxgallery[data-effect="effect-2"] .panel.active .bg-tile {
	-webkit-animation: scaleDown 1.1s ease-in-out;
	animation: scaleDown 1.1s ease-in-out;
}

@-webkit-keyframes scaleDown {
	from { -webkit-transform: translate3d(0,0,380px); transform: translate3d(0,0,380px); }
	to { -webkit-transform: translate3d(0,0,0); transform: translate3d(0,0,0); }
}

@keyframes scaleDown {
	from { -webkit-transform: translate3d(0,0,380px); transform: translate3d(0,0,380px); }
	to { -webkit-transform: translate3d(0,0,0); transform: translate3d(0,0,0); }
}

/* Variation 2 */
.boxgallery[data-effect="effect-2"] .panel.current .bg-img {
	-webkit-transition: -webkit-transform 0.9s cubic-bezier(0.7,0,0.3,1);
	transition: transform 0.9s cubic-bezier(0.7,0,0.3,1);
}

.boxgallery[data-effect="effect-2"] .panel.current .bg-tile:nth-child(2) .bg-img {
	-webkit-transition-delay: 0.15s;
	transition-delay: 0.15s;
}

.boxgallery[data-effect="effect-2"] .panel.current .bg-tile:nth-child(3) .bg-img {
	-webkit-transition-delay: 0.3s;
	transition-delay: 0.3s;
}

.boxgallery[data-effect="effect-2"] .panel.current .bg-tile:nth-child(4) .bg-img {
	-webkit-transition-delay: 0.45s;
	transition-delay: 0.45s;
}

/* Variation 3 */
.boxgallery[data-effect="effect-3"] .panel::after {
	position: absolute;
	width: 100%;
	height: 100%;
	background: rgba(0,0,0,0.8);
	content: '';
	-webkit-transition: opacity 1.1s ease-in-out;
	transition: opacity 1.1s ease-in-out;
	display:none;
}

.boxgallery[data-effect="effect-3"] .panel.current::after,
.boxgallery[data-effect="effect-3"] .panel.active::after {
	opacity: 0;
}

.boxgallery[data-effect="effect-3"] .panel.current::after {
	-webkit-transition: none;
	transition: none;
}

.boxgallery[data-effect="effect-3"] .panel.current .bg-img {
	-webkit-transition: -webkit-transform 1.1s cubic-bezier(0.7,0,0.3,1);
	transition: transform 1.1s cubic-bezier(0.7,0,0.3,1);
}

.boxgallery[data-effect="effect-3"] .panel.current .bg-tile:nth-child(2) .bg-img {
	-webkit-transition-delay: 0.15s;
	transition-delay: 0.15s;
}

.boxgallery[data-effect="effect-3"] .panel.current .bg-tile:nth-child(3) .bg-img {
	-webkit-transition-delay: 0.3s;
	transition-delay: 0.3s;
}

.boxgallery[data-effect="effect-3"] .panel.current .bg-tile:nth-child(4) .bg-img {
	-webkit-transition-delay: 0.45s;
	transition-delay: 0.45s;
}

@media screen and (max-width: 380px) {
	.boxgallery > nav span {
		width: 50px;
		height: 50px;
	}
}