ComfyUI/custom_nodes/ComfyUI-Custom-Scripts/web/js/common/lightbox.css

.pysssss-lightbox {
	width: 100vw;
	height: 100vh;
	position: fixed;
	top: 0;
	left: 0;
	z-index: 1000;
	background: rgba(0, 0, 0, 0.6);
	display: flex;
	align-items: center;
	transition: opacity 0.2s;
}

.pysssss-lightbox-prev,
.pysssss-lightbox-next {
	height: 60px;
	display: flex;
	align-items: center;
}

.pysssss-lightbox-prev:after,
.pysssss-lightbox-next:after {
	border-style: solid;
	border-width: 0.25em 0.25em 0 0;
	display: inline-block;
	height: 0.45em;
	left: 0.15em;
	position: relative;
	top: 0.15em;
	transform: rotate(-135deg) scale(0.75);
	vertical-align: top;
	width: 0.45em;
	padding: 10px;
	font-size: 20px;
	margin: 0 10px 0 20px;
	transition: color 0.2s;
	flex-shrink: 0;
	content: "";
}

.pysssss-lightbox-next:after {
	transform: rotate(45deg) scale(0.75);
	margin: 0 20px 0 0px;
}

.pysssss-lightbox-main {
	display: grid;
	flex: auto;
	place-content: center;
	text-align: center;
}

.pysssss-lightbox-link {
	display: flex;
	justify-content: center;
	align-items: center;
	position: relative;
}

.pysssss-lightbox .lds-ring {
	position: absolute;
	left: 50%;
	top: 50%;
	transform: translate(-50%, -50%);
}

.pysssss-lightbox-img {
	max-height: 90vh;
	max-width: calc(100vw - 130px);
	height: auto;
	object-fit: contain;
	border: 3px solid white;
	border-radius: 4px;
	transition: opacity 0.2s;
	user-select: none;
}

.pysssss-lightbox-img:hover {
	border-color: dodgerblue;
}

.pysssss-lightbox-close {
	font-size: 80px;
	line-height: 1ch;
	height: 1ch;
	width: 1ch;
	position: absolute;
	right: 10px;
	top: 10px;
	padding: 5px;
}

.pysssss-lightbox-close:after {
	content: "\00d7";
}

.pysssss-lightbox-close:hover,
.pysssss-lightbox-prev:hover,
.pysssss-lightbox-next:hover {
	color: dodgerblue;
	cursor: pointer;
}