Use fixed-width icons in the navbar - in most places it doesn't matter how wide the icons are but they get stacked vertically in the navbar on narrow screens

lemoncurry/templates/lemoncurry/tags/nav.html

@@ -1,7 +1,7 @@
 {% load activeurl %}{% activeurl %}<ul class="navbar-nav">
 	{% for item in items %}
 	<li class="nav-item"><a class="nav-link" href="{{ item.url }}">
-			<i class="{{ item.icon }}"></i>
+			<i class="{{ item.icon }} fa-fw"></i>
 			{{ item.label }}
 	</a></li>
 	{% endfor %}