Modify nav_list and styling

_includes/nav_list

@@ -8,13 +8,13 @@
         {% if nav.children != null %}
         <ul>
           {% for child in nav.children %}
-            {% assign nav_url = child.path | prepend: "/" | prepend: page.sidebar.nav | prepend: "/" | append: "/" | prepend: base_path %}
-            {% if nav_url contains page.url %}
+          {% assign nav_url = child.path | prepend: "/" | prepend: page.sidebar.nav | prepend: "/" | append: "/" %}
+            {% if nav_url == page.url %}
               {% assign active = "active" %}
             {% else %}
               {% assign active = "" %}
             {% endif %}
-            <li><a href="{{ nav_url }}" class="{{ active }}">{{ child.title }}</a></li>
+            <li><a href="{{ nav_url | prepend: base_path }}" class="{{ active }}">{{ child.title }}</a></li>
           {% endfor %}
         </ul>
         {% endif %}

assets/_scss/_navigation.scss

@@ -249,7 +249,7 @@
   margin: 10px 0;
   padding: 10px 0;
   font-family: $sans-serif-narrow;
-  font-size: 14px;
+  font-size: 16px;
   font-weight: bold;
   border-bottom: 1px solid $border-color;
 }