From e7bc4e9703954fa952f24b4f96e75dc4299bbb28 Mon Sep 17 00:00:00 2001
From: Aaron Bohy <aab@odoo.com>
Date: Wed, 18 May 2016 09:56:07 +0200
Subject: [PATCH] [FIX] mail: thread: keep image ratio

With rule 'max-width: 100%', the height must be reset to 'auto' to keep the
image ratio.
---
 addons/mail/static/src/less/thread.less | 1 +
 1 file changed, 1 insertion(+)

diff --git a/addons/mail/static/src/less/thread.less b/addons/mail/static/src/less/thread.less
index 81ab0f917d0..a70d9954a70 100644
--- a/addons/mail/static/src/less/thread.less
+++ b/addons/mail/static/src/less/thread.less
@@ -131,6 +131,7 @@
             }
             img {
                 max-width: 100%;
+                height: auto;
             }
 
             .o_mail_body_long {