From 86077810b0d11945442d8ffa47cd7ef777c35490 Mon Sep 17 00:00:00 2001
From: Yury Delendik <ydelendik@mozilla.com>
Date: Tue, 13 Aug 2013 18:45:06 -0500
Subject: [PATCH] Fixes canvas alignment for small scale and scale adjustment
 after Cmd+0

---
 web/viewer.css | 2 +-
 web/viewer.js  | 8 ++++++--
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/web/viewer.css b/web/viewer.css
index 5f809df8d..418350c6f 100644
--- a/web/viewer.css
+++ b/web/viewer.css
@@ -1102,7 +1102,7 @@ html[dir='rtl'] .outlineItem > a {
 }
 
 canvas {
-  margin: auto;
+  margin: 0;
   display: block;
 }
 
diff --git a/web/viewer.js b/web/viewer.js
index 4e61e371f..90a940349 100644
--- a/web/viewer.js
+++ b/web/viewer.js
@@ -2765,8 +2765,12 @@ window.addEventListener('keydown', function keydown(evt) {
         break;
       case 48: // '0'
       case 96: // '0' on Numpad of Swedish keyboard
-        PDFView.parseScale(DEFAULT_SCALE, true);
-        handled = false; // keeping it unhandled (to restore page zoom to 100%)
+        // keeping it unhandled (to restore page zoom to 100%)
+        setTimeout(function () {
+          // ... and resetting the scale after browser adjusts its scale
+          PDFView.parseScale(DEFAULT_SCALE, true);
+        });
+        handled = false;
         break;
     }
   }