diff --git a/debugger/assets/styles/app.css b/debugger/assets/styles/app.css
index b2bea1bd7..aa248cc5b 100644
--- a/debugger/assets/styles/app.css
+++ b/debugger/assets/styles/app.css
@@ -170,6 +170,9 @@ body {
   flex: 0 0 auto;
   padding: 5px;
 }
+.debugger-fnlist-footer .input-group {
+  width: 100%;
+}
 .debugger-fnview-outer {
   order: 2;
   flex: 1 1 auto;