diff --git a/projects/ucap-webmessenger-ui-chat/src/lib/components/message-box.component.scss b/projects/ucap-webmessenger-ui-chat/src/lib/components/message-box.component.scss
index 6d18bba3..0302135b 100644
--- a/projects/ucap-webmessenger-ui-chat/src/lib/components/message-box.component.scss
+++ b/projects/ucap-webmessenger-ui-chat/src/lib/components/message-box.component.scss
@@ -165,11 +165,16 @@ $tablet-s-width: 768px;
     }
   }
 }
-.bubble-main {
+::ng-deep .bubble-main {
   word-wrap: break-word;
   white-space: pre-wrap;
   word-break: break-word;
+  a {
+    color: #0367a6;
+    text-decoration: underline;
+  }
 }
+
 ::ng-deep .view-previous {
   display: flex;
   flex-flow: column;