Use explicit case-insensitive attribute-value matching in UA-stylesheets

Source/core/css/quirks.css

 /* 
  * Additonal style sheet used to render HTML pages in quirks mode.
  *
  * Copyright (C) 2000-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2006, 2007 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  *
  */
 
 /* Give floated images margins of 3px */
-img[align="left"] {
+img[align="left" i] {
     margin-right: 3px;
 }
-img[align="right"] {
+img[align="right" i] {
     margin-left: 3px;
 }
 
 /* Tables reset both line-height and white-space in quirks mode. */
 /* Compatible with WinIE. Note that font-family is *not* reset. */
 table {
     white-space: normal;
     line-height: normal;
     font-weight: normal;
     font-size: medium;
     font-variant: normal;
     font-style: normal;
     color: -webkit-text;
     text-align: start;
 }
 
 /* This will apply only to text fields, since all other inputs already use border box sizing */
-input:not([type=image]), textarea {
+input:not([type=image i]), textarea {
     box-sizing: border-box;
 }
 
 /* Set margin-bottom for form element in quirks mode. */
 /* Compatible with Gecko. (Doing this only for quirks mode is a fix for bug 17696.) */
 form {
     margin-bottom: 1em
 }