diff --git a/_includes/layouts/403.njk b/_includes/layouts/403.njk
new file mode 100644
index 0000000..4751e2d
--- /dev/null
+++ b/_includes/layouts/403.njk
@@ -0,0 +1,8 @@
+---
+layout: layouts/base.njk
+showPostListHeader: yep
+---
+<h1>403 Forbidden</h1>
+<p class="nodropcap page-block">*Ahem* <a href="/">Go to the home page</a>.</p>
+
+{{ content | safe }}
diff --git a/content/403.md b/content/403.md
new file mode 100644
index 0000000..7346962
--- /dev/null
+++ b/content/403.md
@@ -0,0 +1,5 @@
+---
+layout: layouts/403.njk
+permalink: 403.html
+eleventyExcludeFromCollections: true
+---
diff --git a/content/404.md.backup b/content/404.md.backup
deleted file mode 100644
index bd51f61..0000000
--- a/content/404.md.backup
+++ /dev/null
@@ -1,19 +0,0 @@
----
-layout: layouts/home.njk
-permalink: 404.html
-eleventyExcludeFromCollections: true
----
-# Content not found.
-
-Go <a href="/">home</a>.
-
-<!--
-
-Read more: https://www.11ty.dev/docs/quicktips/not-found/
-
-This will work for both GitHub pages and Netlify:
-
-* https://help.github.com/articles/creating-a-custom-404-page-for-your-github-pages-site/
-* https://www.netlify.com/docs/redirects/#custom-404
-
--->
diff --git a/content/tags.njk b/content/tags.njk
index 1a13dba..c14461c 100644
--- a/content/tags.njk
+++ b/content/tags.njk
@@ -14,7 +14,7 @@ eleventyComputed:
   title: Tagged “{{ tag }}”
 permalink: "/tags/{{ tag | slugify }}/"
 ---
-<h1>More posts about “{{ tag }}.”
+<h1>More posts tagged “{{ tag }}.”
 	<a href="/feeds/{{ tag | slugify }}.xml">
 		<!-- RSS Logo -->
 		<svg class="tag-feed-icon" viewBox="0 0 155 155" width="153.349" height="152.909" version="1.0" xmlns="http://www.w3.org/2000/svg">
@@ -37,7 +37,7 @@ permalink: "/tags/{{ tag | slugify }}/"
 		</svg>
 	</a>
 </h1>
-<p class="page-block nodropcap">Here's everything I've posted about {{ tag }}:</p>
+<p class="page-block nodropcap">Here's everything I've posted with the tag “{{ tag }}:”</p>
 
 {% set postslist = collections[ tag ] %}
 {% include "postslist.njk" %}
diff --git a/public/css/index.css b/public/css/index.css
index 36a4c14..85ff7ad 100644
--- a/public/css/index.css
+++ b/public/css/index.css
@@ -541,6 +541,11 @@ h2 + .header-anchor {
 	.post-tag, a.post-tag {
 		font-size: var(--font-xs);
 	}
+	.tag-feed-icon {
+		height: 2rem;
+		transition: var(--transition-normal);
+		width: var(--single-gap);
+	}
 	.taglist {
 		flex-flow: column nowrap;
 	}