diff --git a/src/styles.css b/src/styles.css
index 0fd6285..464f396 100644
--- a/src/styles.css
+++ b/src/styles.css
@@ -1582,6 +1582,12 @@ span.mention {
   line-height: 1.3;
 }
 
+.bubble.user span.mention {
+  background: rgba(255, 159, 10, 0.22);
+  border: 1px solid rgba(255, 159, 10, 0.38);
+  color: #ff9f0a;
+}
+
 .ant-collapse-content {
   background: var(--color-surface) !important;
   color: var(--color-text) !important;