diff --git a/showcase/index.html b/showcase/index.html
index 5dc1079..3c28105 100644
--- a/showcase/index.html
+++ b/showcase/index.html
@@ -45,10 +45,13 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 	<script type="text/javascript">
 		(function($) {
 			var width = $(window).width();
-			var height = $(window).height();
-			var size = (width < height ? width : height - 50) + 'px';
+			var height = $(window).height() - 150;
+			var size = width < height ? width : height;
+			if (size < 200) {
+				size = 200;
+			}
 			$('#uhr').uhr({
-				width: size,
+				width: size + 'px',
 				language: 'de_CH',
 			});
 		})(jQuery);