diff --git a/src/templates/mixins/components.pug b/src/templates/mixins/components.pug
index 35fc8c1..68826aa 100644
--- a/src/templates/mixins/components.pug
+++ b/src/templates/mixins/components.pug
@@ -1,26 +1,41 @@
-
+// {#
 // Header of landing pages. title or text can be skipped:
 // +jumbotron("{{ page_title }}", null, "{{ page_header_image }}")
 // Any extra attributes added (in a separate group) will be passed as is:
 // +jumbotron("{{ page_title }}", null, "{{ page_header_image }}")(data-node-id='{{ node._id }}')
-mixin jumbotron(title, text, image)
-	.jumbotron.jumbotron-overlay.text-white.mb-1(style='background-image: url(' + image + ');')&attributes(attributes)
-		.container
-			.row
-				.col-md-8
-					if title
-						.display-4.text-uppercase.font-weight-bold
-							=title
-					if text
-						.lead
-							=text
+// #}
+mixin jumbotron(title, text, image, url)
+	if url
+		a.jumbotron.jumbotron-overlay.text-white(
+			style='background-image: url(' + image + ');',
+			href=url)&attributes(attributes)
+			.container
+				.row
+					.col-md-9
+						if title
+							.display-4.text-uppercase.font-weight-bold
+								=title
+						if text
+							.lead
+								=text
+	else
+		.jumbotron.jumbotron-overlay.text-white(style='background-image: url(' + image + ');')&attributes(attributes)
+			.container
+				.row
+					.col-md-9
+						if title
+							.display-4.text-uppercase.font-weight-bold
+								=title
+						if text
+							.lead
+								=text
 
-// Secondary navigation.
-// e.g. Workshops, Courses.
+// {# Secondary navigation.
+// e.g. Workshops, Courses. #}
 mixin nav-secondary(title)
-	ul.nav.nav-secondary.justify-content-center.mb-5
+	ul.nav.nav-secondary&attributes(attributes)
 		if title
-			li.nav-item.font-weight-bold
+			li.font-weight-bold.px-2
 				=title
 
 		if block
@@ -33,7 +48,7 @@ mixin nav-secondary-link()
 		a.nav-link&attributes(attributes)
 			block
 
-// Takes as argument the number of columns to use in this deck. 1-6
+// {# Takes as argument the number of columns to use in this deck. 1-6 #}
 mixin card-deck(columns)
 	.card-deck.card-padless(class='card-' + columns + '-columns')
 		if block
@@ -41,9 +56,11 @@ mixin card-deck(columns)
 		else
 			p No cards defined.
 
+// {#
 // Passes all attributes to the card.
 // You can do fun stuff in a loop even like:
 // +card(data-url="{{ url_for('projects.view', project_url=project.url) }}", tabindex='{{ loop.index }}')
+// #}
 mixin card()
 	.card.card-fade.cursor-pointer.mb-4.js-project-go&attributes(attributes)
 		if block