[planet-web] use max-device-width instead of max-width

[Andreas Nilsson <andreasn src gnome org>]

commit cc752af036eb8f77ebf4fa383c6656d0cf3c0b5d
Author: Andreas Nilsson <anilsson redhat com>
Date:   Wed Jan 8 23:30:10 2014 -0200

    use max-device-width instead of max-width

 web/planet.css |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/web/planet.css b/web/planet.css
index d1ecdb9..21e9f43 100644
--- a/web/planet.css
+++ b/web/planet.css
@@ -355,7 +355,7 @@ b.bo { bottom: 0px; left: 0px; background-position: bottom left; }
        }
 
 
- media (max-width: 768px) {
+ media (max-device-width: 768px) {
 
     #planet-banner {
         width: auto;