Fix header size issues on userpage/notifications

tildes/scss/modules/_heading.scss

@@ -4,3 +4,13 @@
 .heading-main {
   font-weight: bold;
 }
+
+.heading-post-listing {
+  font-size: 0.6rem;
+}
+
+.heading-notification {
+  font-size: 0.8rem;
+  line-height: 0.8rem;
+  margin-bottom: 0;
+}

tildes/scss/modules/_post.scss

@@ -2,10 +2,6 @@
 // SPDX-License-Identifier: AGPL-3.0-or-later
 
 .post-listing {
-  h2 {
-    font-size: 0.6rem;
-  }
-
   & > li {
     margin-bottom: 1rem;
   }
@@ -16,14 +12,8 @@
 }
 
 .post-listing-notifications {
-  h2 {
-    font-size: 0.8rem;
-    line-height: 0.8rem;
-    margin-bottom: 0;
-  }
-
-  h2 + article {
-    margin-top: 0.4rem;
+  .comment {
+    margin-bottom: 0.4rem;
   }
 
   .btn-link-minimal {

tildes/tildes/templates/notifications_unread.jinja2

@@ -29,11 +29,11 @@
   {% for notification in notifications: %}
     <li>
       {% if notification.is_comment_reply %}
-        <h2>Reply to your comment on <a href="{{ notification.comment.topic.permalink }}">{{ notification.comment.topic.title }}</a> in {{ group_linked(notification.comment.topic.group.path) }}</h2>
+        <h2 class="heading-notification">Reply to your comment on <a href="{{ notification.comment.topic.permalink }}">{{ notification.comment.topic.title }}</a> in {{ group_linked(notification.comment.topic.group.path) }}</h2>
       {% elif notification.is_topic_reply %}
-        <h2>Reply to your topic <a href="{{ notification.comment.topic.permalink }}">{{ notification.comment.topic.title }}</a> in {{ group_linked(notification.comment.topic.group.path) }}</h2>
+        <h2 class="heading-notification">Reply to your topic <a href="{{ notification.comment.topic.permalink }}">{{ notification.comment.topic.title }}</a> in {{ group_linked(notification.comment.topic.group.path) }}</h2>
       {% elif notification.is_mention %}
-        <h2>
+        <h2 class="heading-notification">
             You were mentioned in a comment on <a href="{{ notification.comment.topic.permalink }}">{{ notification.comment.topic.title }}</a> in {{ group_linked(notification.comment.topic.group.path) }}
         </h2>
       {% endif %}

tildes/tildes/templates/user.jinja2

@@ -102,7 +102,7 @@
       {% if post is topic %}
         {{ render_topic_for_listing(post, show_group=True) }}
       {% elif post is comment %}
-        <h2>Comment on <a href="{{ post.topic.permalink }}">
+        <h2 class="heading-post-listing">Comment on <a href="{{ post.topic.permalink }}">
           {% if post.topic.is_deleted and not post.topic.title %}
             &lt;deleted topic&gt;
           {% else %}