[llvm] [opt-viewer] Fix invalid CSS property value in style.css (PR #190523)

[Yukari Kaname via llvm-commits]

https://github.com/yukarikaname created https://github.com/llvm/llvm-project/pull/190523

fix #153766 

>From db388647fb7ec4aa6075cc8d2cbd95a9e72aa0e3 Mon Sep 17 00:00:00 2001
From: Yukari Kaname <yukari at aliciaworks.com>
Date: Sun, 5 Apr 2026 21:47:26 +0800
Subject: [PATCH] [opt-viewer] Fix invalid CSS property value in style.css

---
 llvm/tools/opt-viewer/style.css | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/tools/opt-viewer/style.css b/llvm/tools/opt-viewer/style.css
index 550c7e1cdff31..25e8c6fb484cf 100644
--- a/llvm/tools/opt-viewer/style.css
+++ b/llvm/tools/opt-viewer/style.css
@@ -29,7 +29,7 @@ pre {
 }
 .centered {
   display: table;
-  margin-left: left;
+  margin-left: auto;
   margin-right: auto;
   border: 1px solid #dbdbdb;
   border-radius: 3px;