gui improvements

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

web/src/main/resources/web/css/default.css

@@ -109,6 +109,10 @@ nav a.note::before {
     content: " ";
 }
 
+nav a.poll::before {
+    content: " ";
+}
+
 nav a.project::before {
     content: " ";
 }
@@ -140,6 +144,7 @@ nav a.file,
 nav a.mark,
 nav a.message,
 nav a.note,
+nav a.poll,
 nav a.project,
 nav a.stock,
 nav a.tags,