UI Libraries: Layout adjustments.

src/templates/libraries.pug

@@ -49,7 +49,7 @@ include mixins/components
 					| See all Textures
 					i.pi-angle-right
 
-	hr
+	hr.mb-4
 
 	+category_list_item(
 		'TEXTURES',
@@ -73,6 +73,8 @@ include mixins/components
 				a.d-block.py-1.text-primary(href="{{ url_for('projects.view', project_url='textures') }}")
 					| See all Textures
 					i.pi-angle-right
+
+	hr.mb-4
 	.pt-5
 		+category_list_header('HANDS-ON', 'Learn by example with ready-to-use characters and amazing artwork .blend files.')
 
@@ -98,7 +100,8 @@ include mixins/components
 				a.d-block.py-1.text-primary(href="{{ url_for('projects.view', project_url='gallery') }}")
 					| Visit the Gallery
 					i.pi-angle-right
-	hr
+
+	hr.mb-4
 
 	+category_list_item(
 		'CHARACTERS',