diff --git a/assets/style.css b/assets/style.css
index 3af1c19..4fd1a1b 100644
--- a/assets/style.css
+++ b/assets/style.css
@@ -52,10 +52,36 @@ code {
     word-break: break-all;
 }
 
+h1.full, h2.full, h3.full, h4.full, h5.full {
+    text-align: center;
+}
+
+main {
+    display: flex;
+    justify-content: space-between;
+    flex-wrap: wrap;
+    margin: 0;
+    padding: 1em;
+    border-radius: 20px;
+    background: #171614;
+    box-shadow: 1.5em 1.5em 3.5em #131211, -1.5em -1.5em 3.5em #1b1a17;
+}
+
 p.full {
     text-align: center;
 }
 
+section {
+    margin: 1em;
+    flex-basis: 45%;
+    flex-grow: 1;
+}
+
+section.full {
+    margin: 1em;
+    flex-basis: 100%;
+}
+
 .back h5 {
     color: #9d4e54;
     text-align: left;
@@ -73,48 +99,10 @@ p.full {
     background: #9d4e54;
 }
 
-.content {
-    display: flex;
-    justify-content: space-between;
-    flex-wrap: wrap;
-    margin: 0;
-    padding: 1em;
-    border-radius: 20px;
-    background: #171614;
-    box-shadow: 1.5em 1.5em 3.5em #131211, -1.5em -1.5em 3.5em #1b1a17;
-}
-
 .favicon {
     max-width: 1em;
 }
 
-.header {
-    word-break: normal;
-}
-
-.header-full {
-    text-align: center;
-}
-
-.section {
-    margin: 1em;
-    flex-basis: 45%;
-    flex-grow: 1;
-}
-
-.section-full {
-    margin: 1em;
-    flex-basis: 100%;
-}
-
-.subtitle {
-
-}
-
-.subtitle-full {
-    text-align: center
-}
-
 .warn {
     margin: 0.5em 0;
     padding: 0.5em;
diff --git a/firefox/index.html b/firefox/index.html
index 7c62d39..3d24488 100644
--- a/firefox/index.html
+++ b/firefox/index.html
@@ -14,11 +14,11 @@
         <div class="back">
             <h5 class="pill"><a href="../">Return to my page</a></h5>
         </div>
-        <div class="content">
-            <div class="section-full">
-                <h2 class="header-full">
+        <main>
+            <section class="full">
+                <h1 class="full">
                 A Guide to Bettering Firefox
-                </h2>
+                </h1>
                 <p>
                 Web browsers are kind of awful. They do too much
                 (<a href="https://web.archive.org/web/20220609080931/https://homepage.cs.uri.edu/~thenry/resources/unix_art/ch01s06.html">why
@@ -58,13 +58,13 @@
                 browser from being used to open remote content that has a MIME
                 type other than <code>text/html</code>.
                 </p>
-            </div>
-            <div class="section-full">
-                <h1 class="header" id="about-config">
+            </section>
+            <section class="full">
+                <h2 id="about-config">
                     <a href="#about-config">
                     Modifications to <code class="header">about:config</code>
                     </a>
-                </h1>
+                </h2>
                 <h4>Read more about <code>about:config</code>
                 <a href="https://support.mozilla.org/en-US/kb/about-config-editor-firefox">
                 here</a>.
@@ -79,16 +79,16 @@
                 values blank.
                 </p>
 
-                <h2 id="performance">
+                <h3 id="performance">
                     <a href="#performance">Performance</a>
-                </h2>
+                </h3>
                 <ul>
                     <li><code>gfx.webrender.all = true</code></li>
                 </ul>
 
-                <h2 id="features">
+                <h3 id="features">
                     <a href="#features">Disable or Enable Features</a>
-                </h2>
+                </h3>
                 <ul>
                     <li><code>widget.use-xdg-desktop-portal = true</code></li>
                     <p>Allows Firefox to use KDE Plasma filechooser on
diff --git a/index.html b/index.html
index 6d5108b..3dbc543 100644
--- a/index.html
+++ b/index.html
@@ -16,9 +16,11 @@
                 <a href="/">Return Home</a>
             </h5>
         </div>
-        <div class="content">
-            <div class="section-full">
-                <h2 class="header-full">Hi! I'm Emma Tebibyte.</h2>
+        <main>
+            <section class="full">
+                <h1 class="full">
+                    Hi! I'm Emma Tebibyte.
+                </h1>
                 <p id="pronouns">
                 (<a href="https://pronoun.is/fae" title="my pronouns">
                 fae/faer
@@ -48,17 +50,17 @@
                 comfortable and friendly environment sustained in the community
                 itself.
                 <div class="warn">
-                        <img class="sym" src="../assets/img/warn.svg" />
+                        <img class="sym" src="assets/img/warn.svg" />
                         <p>
                         Some of the links on this page lead to sites with
                         nonfree JavaScript.
                         </p>
                 </div>
-            </div>
-            <div class="section">
-                <h3 class="header" id="contact">
+            </section>
+            <section>
+                <h2 id="contact">
                     <a href="#contact">Contact</a>
-                </h3>
+                </h2>
                 <p>
                 If you'd like to contact me, the best ways to do so are as
                 follows, in order of preference:
@@ -86,12 +88,15 @@
                 the state of current free software alternatives is not
                 satisfactory.
                 </p>
-            </div>
-            <div class="section">
-                <h3 class="header" id="ideas"><a href="#ideas">Things Someone
-                Should Make</a></h3>
-                <h4 class="subtitle">Or: the software I (probably) won't or can't
-                make but which I think would be good to have</h4>
+            </section>
+            <section>
+                <h2 id="ideas">
+                    <a href="#ideas">Things Someone Should Make</a>
+                </h2>
+                <h4>
+                    Or: the software I (probably) won't or can't
+                    make but which I think would be good to have
+                </h4>
                 <p>
                     <ul>
                         <li>A fork of
@@ -126,25 +131,29 @@
                             </ul>
                         </li>
 
-                        <li>An Android app that uses the method
-                        <a href="https://auroraoss.com/">Aurora Store</a> uses
-                        to download Google Play Store APK files for Android and
-                        the patches that the unofficial Minecraft Bedrock
-                        launcher for GNU/Linux and the MacOS uses to remove
-                        signature verification to keep Minecraft for Android
-                        up-to-date and running on systems without Google Play
-                        Services.</li>
+                        <li>
+                            An Android app that uses the method
+                            <a href="https://auroraoss.com/">Aurora Store</a> uses
+                            to download Google Play Store APK files for Android and
+                            the patches that the unofficial Minecraft Bedrock
+                            launcher for GNU/Linux and the MacOS uses to remove
+                            signature verification to keep Minecraft for Android
+                            up-to-date and running on systems without Google Play
+                            Services.
+                        </li>
 
-                        <li>An Android SoundCloud client which uses the existing
-                        components from the
-                        <a href="https://newpipe.net/">NewPipe</a> app.</li>
+                        <li>
+                            An Android SoundCloud client which uses the existing
+                            components from the
+                            <a href="https://newpipe.net/">NewPipe</a> app.
+                        </li>
                     </ul>
                 </p>
-            </div>
-            <div class="section">
-                <h3 class="header" id="links">
+            </section>
+            <section>
+                <h2 class="header" id="links">
                     <a href="#links">Links</a>
-                </h3>
+                </h2>
                 <p>
                 Some useful links you might like to click on:
                 <ul>
@@ -173,11 +182,11 @@
                     </li>
                 </ul>
                 </p>
-            </div>
-            <div class="section">
-                <h3 class="header" id="reviews">
+            </section>
+            <section>
+                <h2 class="header" id="reviews">
                     <a href="#reviews">Reviews</a>
-                </h3>
+                </h2>
                 <h4 class="subtitle">
                     Idea stolen from <a href="https://trinity.moe#praise">
                     Trinity's page</a>.
@@ -192,12 +201,12 @@
                     [2022-02-22] @Nyann</a>: Emma Tebibyte gives me the
                     "non-trustworthy-female" vibes
                 </p>
-            </div>
-            <div class="section-full">
-                <h3 class="header-full" id="frens">
+            </section>
+            <section class="full">
+                <h3 class="full" id="frens">
                     <a href="#frens">I have friends!</a>
                 </h3>
-                <h4 class="subtitle-full">Riveting content here, folks.</h4>
+                <h4 class="full">Riveting content here, folks.</h4>
                 <p class="full">
                 Here are some of their stickers:
                 </p>
@@ -253,13 +262,13 @@
                 The Nostomodern Review by classic5000
                 </a>
                 </p>
-            </div>
-        </div> <!-- content -->
+            </section>
+        </main>
         <footer>
-            <div class="section-full">
+            <section class="full">
             <h5>This site is licensed under the <a
             href="agpl-3.0.txt">AGPLv3</a> or later. Its content is covered
             under the <a href="legalcode.txt">CC BY-NC-SA</a> license.</h5>
-            </div>
+            </section>
     </body>
 </html>
\ No newline at end of file