View source for Template:Gallery/styles.css

.template-gallery {
	margin-top: var( --space-md );
	display: flex;
	gap: var( --space-xs );
}

.template-gallery a.mw-file-description {
	display: block;
    border-radius: var( --border-radius-base );
    overflow: hidden;
}

.template-gallery a.mw-file-description img {
    transition: transform 250ms ease;
}

.template-gallery a.mw-file-description:hover img {
    transform: scale(1.1);
}

.template-gallery video {
	max-width: none !important;
	max-height: 120px !important;
    width: auto !important;
    overflow: hidden;
    border-radius: var( --border-radius-base );
}
Description	What you type	What you get
Italic	''Italic text''	Italic text
Bold	'''Bold text'''	Bold text
Bold & italic	'''''Bold & italic text'''''	*Bold & italic text*