Fix a few other rendering bugs in chromium

index.html

@@ -60,7 +60,7 @@
 					<li><a href="https://iconet-foundation.org/digitale-freiheit" target="_blank">Programm vom letzten Jahr.</a></li>
 				</ul>
 			</div>
-			<div>
+			<div class="box">
 				<h2>Sponsoren</h2>
 			</div>
 		</div>

styles.css

@@ -16,13 +16,13 @@ body {
 	background-image: url("image/neon-scene.png");
 	background-repeat: no-repeat;
 	background-position: center top;
+	margin: 0;
 }
 
 #content {
 	max-width: 1000px;
 	margin: 0 auto;
 	padding: 0 75px;
-	margin-bottom: 4em;
 }
 
 #event {
@@ -89,6 +89,7 @@ h2 {
 	text-transform: uppercase;
 	font-size: 3em;
 	margin-top: 0em;
+	margin-block-end: 0em;
 }
 
 .box {