From 54939ef0f037b06bf0e6c5ba6ed288c58068f30c Mon Sep 17 00:00:00 2001
From: fat <jacobthornton@gmail.com>
Date: Tue, 10 Jun 2014 19:06:24 -0700
Subject: [PATCH 1/2] fixes 13609 - Modal is shifting left just before the
 hiding animation

---
 less/modals.less | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/less/modals.less b/less/modals.less
index abf46cce82..d9aa0e2ced 100644
--- a/less/modals.less
+++ b/less/modals.less
@@ -15,8 +15,7 @@
 // Container that the modal scrolls within
 .modal {
   display: none;
-  overflow: auto;
-  overflow-y: scroll;
+  overflow: hidden;
   position: fixed;
   top: 0;
   right: 0;
@@ -36,6 +35,10 @@
   }
   &.in .modal-dialog { .translate3d(0, 0, 0) }
 }
+.modal-open .modal {
+  overflow: auto;
+  overflow-y: scroll;
+}
 
 // Shell div to position the modal with bottom padding
 .modal-dialog {

From fd0a81a57ab9976a0c6a423498c0405357c7816c Mon Sep 17 00:00:00 2001
From: Mark Otto <otto@github.com>
Date: Tue, 10 Jun 2014 19:20:56 -0700
Subject: [PATCH 2/2] hidden and auto

---
 less/modals.less | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/less/modals.less b/less/modals.less
index d9aa0e2ced..6da50ba929 100644
--- a/less/modals.less
+++ b/less/modals.less
@@ -36,8 +36,8 @@
   &.in .modal-dialog { .translate3d(0, 0, 0) }
 }
 .modal-open .modal {
-  overflow: auto;
-  overflow-y: scroll;
+  overflow-x: hidden;
+  overflow-y: auto;
 }
 
 // Shell div to position the modal with bottom padding