diff --git a/dbb-css/selfoss/selfoss.css b/dbb-css/selfoss/selfoss.css
index b6e49a69..0dd1892b 100644
--- a/dbb-css/selfoss/selfoss.css
+++ b/dbb-css/selfoss/selfoss.css
@@ -3,4 +3,6 @@
 
 .source[data-id]::after {
     content: " • Source-ID: " attr(data-id);
+    color: var(--button-text-hover);
+    font-size: .8em;
 }