Couple of li'l adjustments to styles, and formatting of excerpts

src/_includes/base.njk

@@ -51,11 +51,8 @@
 				</ul>
 			</nav>
 
-			<a href="/feed/" class="rss">
-				<svg xmlns="http://www.w3.org/2000/svg" aria-label="RSS" role="img" viewBox="0 0 512 512">
-					<path d="m0 0H512V512H0" fill="none"/>
-					<path fill="currentColor" d="m109 271A132 133 0 01241 403h60A192 193 0 00109 211v-54A246 247 0 01355 403h60A306 307 0 00109 97m35 235a35 35 0 102 0"/>
-				</svg>
+			<a href="/feed/" class="rss" aria-label="RSS feed">
+				<i class="fa-solid fa-rss"></i>
 			</a>
 
 			<fieldset class="color-scheme">