Боковая панель везде и костыли

themes/mmotium/assets/css/_base.scss

@@ -37,4 +37,6 @@ a:active {
 pre {
   max-height: 512px;
   overflow: auto;
+  white-space: pre-wrap;
+  word-wrap: break-word;
 }

themes/mmotium/assets/css/style.scss

@@ -145,11 +145,16 @@ section.posts {
     }
   }
 
+  .content-column {
+    width: 100%;
+  }
+
   .sidebar {
     & {
       display: flex;
       flex-direction: column;
       min-width: 300px;
+      width: 300px;
       gap: 16px;
     }
 

themes/mmotium/layouts/_default/single.html

@@ -11,15 +11,20 @@
 {{end}}
 
 {{ define "main" }}
-    <article class="single post">
+<div class="page-wrapper">
+    <div class="content-column">
+        <section class="single post">
             <h1>{{ .Title }}</h1>
 
             <p>
                 {{- .Content -}}
             </p>
-    </article>
+        </section>
 
-    <div class="comments">
+        <section class="comments">
             {{ template "_internal/disqus.html" . }}
+        </section>
+    </div>
+    {{ partial "sidebar.html" . }}
 </div>
 {{ end }}

themes/mmotium/layouts/categories/taxonomy.html

@@ -1,6 +1,6 @@
 {{ define "main" }}
-
+<div class="page-wrapper">
-
+    <div class="content-column">
         <div class="single post">
             <header>
                 <h1>Категория - {{ .Title }}</h1>
@@ -15,6 +15,7 @@
                 {{ end }}
             </ul>
         </div>
-
+    </div>
-
+    {{ partial "sidebar.html" . }}
+</div>
 {{ end }}