Merge pull request #125 from djagoo/resize-logo

resize logo to allow higher resolutions for hidpi displays

layouts/partials/footer.html

 				{{"<!-- copyright -->" | safeHTML}}
 				<div class="copyright text-center">
 					<a href="{{ site.Home.Permalink }}">
-						<img src="{{ site.Params.logo | absURL }}" alt="{{ site.Title }}" />
+						<img src="{{ site.Params.logo | absURL }}" alt="{{ site.Title }}" height="42" />
 					</a>
 					<br>
 					<p>{{ site.Params.copyright | markdownify }}</p>

layouts/partials/navigation.html

 		<nav class="navbar navbar-expand-lg navbar-dark">
 			<a class="navbar-brand p-0" href="{{ .Site.BaseURL | relLangURL }}">
 				{{ if site.Params.logo }}
-				<img class="lozad img-fluid" data-src="{{ site.Params.logo | absURL }}" alt="{{ .Site.Title }}">
+				<img class="lozad" data-src="{{ site.Params.logo | absURL }}" alt="{{ .Site.Title }}" height="42">
 				{{ else }}
 				{{ site.Title }}
 				{{ end }}