Remove default sidebar background color and padding

src/_includes/main/content-nav.njk

@@ -14,6 +14,10 @@
 </aside>
 
 <style>
+    .content__nav {
+        padding-left: 0.5em;
+    }
+
     .content__nav--title {
         font-size: 1.7rem;
     }

src/assets/css/main.css

@@ -250,7 +250,7 @@ main {
 
 .content__wrapper,
 .content--divided {
-    gap: 0.8rem;
+    gap: 1rem;
 }
 
 .content__wrapper {
@@ -259,9 +259,7 @@ main {
 
 .article,
 .content:not(.content--divided),
-.content__section,
-.left-sidebar,
-.right-sidebar {
+.content__section {
     padding: 1.5rem clamp(1rem, 5%, 3rem);
 }