use explicit sections on the donate page

static/donate.html

@@ -44,7 +44,8 @@
                 <a href="#donate">Donate</a>
             </h1>
 
-            <h2 id="bitcoin">
+            <section id="bitcoin">
+                <h2>
                     <a href="#bitcoin">Bitcoin</a>
                 </h2>
 
@@ -60,8 +61,10 @@
                 <p>Using a low fee is recommended, since the payment doesn't need to be quick. There's
                 no need to waste your money choosing a fee based on having it arrive within an hour,
                 when having it go through within a couple days is perfectly fine.</p>
+            </section>
 
-            <h2 id="paypal">
+            <section id="paypal">
+                <h2>
                     <a href="#paypal">PayPal</a>
                 </h2>
 
@@ -73,14 +76,17 @@
                 <p>The PayPal account can receive both CAD and USD. If you send another currency, it
                 will be converted to CAD. If you have USD, it's best to select USD from the dropdown
                 menu to avoid an unnecessary conversion fee.</p>
+            </section>
 
-            <h2 id="github">
+            <section id="github">
+                <h2>
                     <a href="#github">GitHub Sponsors</a>
                 </h2>
 
                 <p>GrapheneOS can be sponsored with recurring donations through
                 <a href="https://github.com/sponsors/thestinger">GitHub Sponsors</a> for five to one
                 hundred dollars a month.</p>
+            </section>
         </main>
         <footer>
             <a href="/"><img src="/logo.png" width="512" height="512" alt=""/>GrapheneOS</a>