Add inline link marker to sidebar

src/_includes/posts.njk

@@ -10,7 +10,9 @@
 {% endblock %}
 
 {% block sidebar %}
+<div class="sticky">
 <h2>Content</h2>
 {{ content | toc | safe }}
 <a href="{{ "/" | url }}">Go Back Home</a>
+</div>
 {% endblock %}

src/assets/style.scss

@@ -329,6 +329,14 @@ footer {
 
     li {
       line-height: 16px * 1.5;
+
+      a:before {
+        content: '#';
+        position: absolute;
+        transform: translateX(-100%);
+        padding-right: .3em;
+        color: inherit;
+        opacity: .3;
       }
     }
   }