.srcbox {
	.inner {
		box-sizing: border-box;
		max-width: fit-content;
		max-height: max-content;
		overflow: scroll;
		height: 10em;
		border-color: transparent;
		background-color: transparent;
		transition: border-color 1s, background-color 1s;
		overscroll-behavior-x: none;
	}
	.inner > * {
		margin: 0;
		width: fit-content;
	}
	iframe {
		display: block;
		border: solid 1px var(--box-border-color);
	}
}