html,
body {
	width: 100%;
	height: 100%;
	margin: 0;
	overflow: hidden;
	background: #f2f4f7;
}

body {
	position: relative;
}

.contentIframeClass {
	position: absolute;
	top: 0;
	left: 0;
	width: 800px;
	height: 600px;
	border: none;
	transform-origin: 0 0;
	background: #ffffff;
	box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
}

.dummyFrameClass,
.dummyIFrameClass {
	display: none;
}

.prev,
.next {
	position: absolute;
	top: 50%;
	transform: translateY(-50%);
	z-index: 10;
	display: flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	width: 44px;
	height: 44px;
	padding: 0;
	border-radius: 50%;
	background: rgba(255, 255, 255, 0.88);
	color: #101828;
	font-weight: 700;
	font-size: 26px;
	line-height: 1;
	visibility: hidden;
	user-select: none;
	backdrop-filter: blur(2px);
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.prev {
	left: 12px;
}

.next {
	right: 12px;
}

@media (max-width: 768px) {
	.prev,
	.next {
		width: 38px;
		height: 38px;
		font-size: 22px;
	}

	.prev {
		left: 8px;
	}

	.next {
		right: 8px;
	}
}