diff --git a/app/assets/stylesheets/participation.scss b/app/assets/stylesheets/participation.scss
index be5746dedf8..2961824bf06 100644
--- a/app/assets/stylesheets/participation.scss
+++ b/app/assets/stylesheets/participation.scss
@@ -989,6 +989,7 @@
   min-height: $line-height * 25;
   padding-bottom: $line-height;
   padding-top: $line-height * 4;
+  z-index: -5;
 
   &.with-background-image {
     background-position: center;