diff --git a/pom.xml b/pom.xml
index e0d82ab..a2d3eb1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -11,7 +11,7 @@
 
   <groupId>de.digitalcollections</groupId>
   <artifactId>iiif-server-demo</artifactId>
-  <version>3.3.0</version>
+  <version>3.3.1</version>
   <packaging>jar</packaging>
 
   <name>DigitalCollections: IIIF Server Demo</name>
diff --git a/src/main/resources/static/css/theme.css b/src/main/resources/static/css/theme.css
index 41b94d2..1988a9f 100644
--- a/src/main/resources/static/css/theme.css
+++ b/src/main/resources/static/css/theme.css
@@ -1,6 +1,6 @@
 /* global */
 body {
-  padding-top: 60px;
+  padding-top: 65px;
 }
 
 /* navbar */
@@ -12,6 +12,7 @@ body {
 /* main content */
 .jumbotron {
   margin-top: 10px;
+  text-align: center;
 }
 
 ul.api-description {