diff --git a/web/static/overrides.css b/web/static/overrides.css
index 0bb7a65..2bd4810 100644
--- a/web/static/overrides.css
+++ b/web/static/overrides.css
@@ -39,4 +39,9 @@ html {
     font-family: monospace;
     background-color: #eee !important;
     padding: 0.5em !important;
-}
\ No newline at end of file
+}
+
+.mail-thread blockquote {
+    padding-left: 1em;
+    border-left: 2px solid #ddd;
+}