diff --git a/src/wp-admin/css/common.css b/src/wp-admin/css/common.css
index 8613e82..393fd82 100755
--- a/src/wp-admin/css/common.css
+++ b/src/wp-admin/css/common.css
@@ -781,6 +781,10 @@ img.emoji {
 	-moz-osx-font-smoothing: grayscale;
 }
 
+.try-gutenberg-panel .try-gutenberg-panel-close:hover:before {
+    color: #c00;
+}
+
 .welcome-panel .welcome-panel-close:before {
 	margin: 0;
 }