mediawiki-skins-Vector/includes/templates/Logo.mustache

{{!
	LogoDefinition logo
	string link-mainpage link to the main page (from SkinMustache in core)
	string msg-sitesubtitle the contents of the sitesubtitle message key
}}
<a href="{{link-mainpage}}" class="mw-logo">
	{{#icon}}
	{{! alt is provided for valid HTML but given aria-hidden not needed. }}
	<img class="mw-logo-icon" src="{{.}}" alt=""
		aria-hidden="true" height="50" width="50">
	{{/icon}}
	<span class="mw-logo-container">
		{{#wordmark}}
		<img class="mw-logo-wordmark" alt="{{msg-sitetitle}}"
			src="{{src}}" style="{{style}}">
		{{/wordmark}}
		{{^wordmark}}
		<strong class="mw-logo-wordmark">{{msg-sitetitle}}</strong>
		{{/wordmark}}
		{{#tagline}}
		<img class="mw-logo-tagline"
			alt="{{msg-sitesubtitle}}"
			src="{{src}}" width="{{width}}" height="{{height}}" style="{{style}}">
		{{/tagline}}
	</span>
</a>