Layout: simplify CSS layout on most pages

youtube/templates/post_comment.html

@@ -3,27 +3,18 @@
 {% import "comments.html" as comments %}
 
 {% block style %}
-    main{
-        display: grid;
-        grid-template-columns: 3fr 2fr;
-    }
-    .left{
-        display:grid;
-        grid-template-columns: 1fr 640px;
-    }
-    textarea{
-        width: 460px;
-        height: 85px;
-    }
     .comment-form{
-        grid-column:2;
+        width: 640px;
+        margin: auto;
         justify-content:start;
     }
+        textarea{
+            width: 460px;
+            height: 85px;
+        }
 {% endblock style %}
 
 {% block main %}
-    <div class="left">
-        {{ comments.comment_posting_box(comment_posting_box_info) }}
-    </div>
+    {{ comments.comment_posting_box(comment_posting_box_info) }}
 {% endblock %}