diff --git a/dev/scss/base/base.scss b/dev/scss/base/base.scss
index 022c590..dd0d6a3 100644
--- a/dev/scss/base/base.scss
+++ b/dev/scss/base/base.scss
@@ -87,6 +87,7 @@
   border-left:      5px solid $ids-blue-1;
   background-color: $ids-blue-2;
   color:            $ids-blue-1;
+  mix-blend-mode:   soft-light;
 
   &.bug,
   &.missing {