diff --git a/packages/react/src/html/ui/index.css b/packages/react/src/html/ui/index.css
index 54f1445a..e385a3eb 100644
--- a/packages/react/src/html/ui/index.css
+++ b/packages/react/src/html/ui/index.css
@@ -110,6 +110,7 @@ main {
     > h5,
     > h6 {
       flex: 1;
+      margin-top: 0;
       margin-bottom: 8px;
       overflow-wrap: anywhere;
       word-break: break-word;