View source for Template:Calendar/styles.css

.template-calendar {
	width: 300px;
	background: var( --color-surface-2 );
	border-radius: var( --border-radius--medium );
	font-size: 0.875rem;
	font-weight: 500;
}

/* Reset styles for using in calendar */
.template-calendar__header .template-prevnext {
	margin-top: 0;
	margin-bottom: 0;
	background-color: transparent;
}

.template-calendar__grid {
	border-top: 1px solid var( --border-color-base );
	border-bottom: 1px solid var( --border-color-base );
	padding: var( --space-xs );
	display: grid;
	grid-template-columns: repeat(7, 1fr);
	text-align: center;
	gap: var( --space-xs );
}

.template-calendar__day > a {
	display: flex;
	color: var( --color-base--emphasized );
	border-radius: var( --border-radius--small );
	aspect-ratio: 1;
	justify-content: center;
	align-items: center;
}

.template-calendar__day--nextmonth > a {
	color: var( --color-base--subtle );
}

.template-calendar__day > a.selflink {
	background-color: var( --background-color-primary--active );
}

.template-calendar__day > a:hover {
	background-color: var( --background-color-quiet--hover );
}

.template-calendar__day > a:active {
	background-color: var( --background-color-quiet--active );
}

.template-calendar__footer {
	padding: var( --space-xs );
}

.template-calendar__footer > a {
	padding: var( --space-xs );
	border-radius: var(--border-radius--small);
	text-align: center;
	display: block;
}

.template-calendar__footer > a:hover {
	background-color: var( --background-color-quiet--hover );
}

.template-calendar__footer > a:active {
	background-color: var( --background-color-quiet--active );
}
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*