index.css

.dialog.dialog-slider-fullscreen {
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
}
.dialog.dialog-slider-fullscreen .fs-swiper-slide {
	text-align: center;
	position: relative;
	background: #222;
	white-space: nowrap;
}
.dialog.dialog-slider-fullscreen .fs-swiper-slide:before {
	/*vertically aligning small images*/
	content: "";
	display: inline-block;
	width: 1px;
	height: 100%;
	vertical-align: middle;
}
.dialog.dialog-slider-fullscreen .content {
	width: 100%;
	height: 100%;
	max-width: none;
	padding: 0 20px;
	border: none;
	background: #222;
}
.dialog.dialog-slider-fullscreen .fs-swiper {
	height: 100%;
}
/*make image match screen size*/
.dialog.dialog-slider-fullscreen .fs-swiper-container,
.dialog.dialog-slider-fullscreen .content .body {
	height: 100%;
}
.dialog.dialog-slider-fullscreen .fs-swiper-container,
.dialog.dialog-slider-fullscreen .fs-swiper-slide,
.dialog.dialog-slider-fullscreen .fs-swiper-image {
	vertical-align: middle;
	max-height: 100%;
}
.fs-swiper-caption {
	position: absolute;
	bottom: 0;
	right: 0;
	padding: 10px;
	background: rgba(0,0,0,.5);
	color: #fff;
	font-size: 13px;
	text-align: left;
}