From 1f8334dcb78dea8471254581e78929d2287715f4 Mon Sep 17 00:00:00 2001
From: tamaina <tamaina@hotmail.co.jp>
Date: Thu, 30 Jan 2020 20:27:14 +0900
Subject: [PATCH] fix

---
 src/client/widgets/timeline.vue | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/client/widgets/timeline.vue b/src/client/widgets/timeline.vue
index 22a9dd15c8..388f586135 100644
--- a/src/client/widgets/timeline.vue
+++ b/src/client/widgets/timeline.vue
@@ -136,6 +136,7 @@ export default define({
 .mkw-timeline {
 	flex-grow: 1;
 	flex-shrink: 0;
+	min-height: 0; // https://www.gwtcenter.com/min-height-required-on-firefox-flexbox
 
 	.container {
 		display: flex;