About finally has a return link

Also got rid of some unused classes

src/about.html

@@ -10,7 +10,7 @@
 		</div>
 		<main class="grid-center--offset-wide">
 			<div>
-			<div class="content">
+			<div>
 				<h1>
 					About
 				</h1>
@@ -23,7 +23,7 @@ Anyway, here's some information about myself, posted on the aforementioned <mark
 I'm studying mathematics (with a focus on computation) at Penn State, and will hopefully be graduating in 2023.
 				</p>
 			</div>
-			<div class="content">
+			<div>
 				<h1>Opinions</h1>
 				<h2>A 100% exhaustive list, of course</h2>
 				<li>
@@ -45,6 +45,9 @@ linux distros don't matter
 				<li>&#129424</li>
 			</div>
 			</div>
+			<footer>
+				<p><a href="../">Return</a></p>
+			</footer>
 		</main>
 	</body>
 </html>