mediawiki-skins-Vector/resources/skins.vector.styles/components/Logo.less

.mw-logo {
	.flex-display();
	// If icon is not configured, ensure that the logo still takes up available
	// space allocated by layout.
	height: 100%;
	// Center vertically.
	align-items: center;
	// Hamburger menu icon with padding (22px + 12px = 46px) + right margin (12px) + logo (222px @ 16) + space between
	// logo and searchbox (28px) = 296px which equals the sum of widths of sidebar elements (i.e. TOC) when toggled.
	// 226px @ 16 provides correct spacing between the right edge of logo container + left edge of searchbox input.
	min-width: 13.875em; // 222px @ 16

	.vector-feature-main-menu-pinned-disabled & {
		// The logo is 40px from the page container.
		// Main menu button width (20px) + 20px = 40px
		margin-left: 20px;
	}
}

.mw-logo-icon {
	// For browsers which do not support flexbox we float left.
	// This will be ignored in flexbox browsers.
	float: left;
	margin-right: 10px;
	@size-mw-logo-icon: unit( 50 / @font-size-browser, em );
	width: @size-mw-logo-icon;
	height: @size-mw-logo-icon;
}

.mw-logo-container {
	// For browsers which do not support flexbox we float left.
	// This will be ignored in flexbox browsers.
	// The two children `div`s will lay out in a row.
	float: left;
	// At mobile resolutions restrict logo to 120px to optimize for a 340px display (@min-width-supported)
	// (based on https://gs.statcounter.com/screen-resolution-stats/mobile/worldwide)
	// This accounts for up to 5 icons
	// (Echo notifications x 2, search, hamburger and personal menu)
	// where the icons have 44px each (44x5 = 220px)
	max-width: 120px;

	img {
		width: 100%;
	}

	@media ( min-width: @min-width-breakpoint-tablet ) {
		max-width: none;

		img {
			width: auto;
		}
	}
}

// Note for 3rd parties where no wgLogos['wordmark'] is defined
// the site title is not clipped. We may need to revisit this later
// for projects with long site titles.
.mw-logo-wordmark {
	display: block;
	margin: 0 auto;
}

.mw-logo-tagline {
	// For browsers which do not support flexbox.
	display: block;
	margin: 5px auto 0;
}