From ad947e4e1473bc0178d449736fe7e74d7cade5f9 Mon Sep 17 00:00:00 2001
From: siling <think.sea@gmail.com>
Date: Thu, 1 Oct 2020 16:21:14 +0800
Subject: [PATCH] add 21/all.css

---
 21/all.css | 3 +++
 1 file changed, 3 insertions(+)
 create mode 100644 21/all.css

diff --git a/21/all.css b/21/all.css
new file mode 100644
index 0000000..94b431c
--- /dev/null
+++ b/21/all.css
@@ -0,0 +1,3 @@
+body{
+  display: flex;
+}
\ No newline at end of file