diff -ur phpBB3.orig//styles/prosilver/template/overall_header.html phpBB3.patchcond//styles/prosilver/template/overall_header.html
--- phpBB3.orig//styles/prosilver/template/overall_header.html	2010-11-19 13:22:36.000000000 +0100
+++ phpBB3.patchcond//styles/prosilver/template/overall_header.html	2011-02-02 14:19:25.762196321 +0100
@@ -11,7 +11,6 @@
 <meta name="copyright" content="2000, 2002, 2005, 2007 phpBB Group" />
 <meta name="keywords" content="" />
 <meta name="description" content="" />
-<meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7; IE=EmulateIE9" />
 {META}
 <title>{SITENAME} &bull; <!-- IF S_IN_MCP -->{L_MCP} &bull; <!-- ELSEIF S_IN_UCP -->{L_UCP} &bull; <!-- ENDIF -->{PAGE_TITLE}</title>
 
@@ -91,6 +90,10 @@
 <link href="{T_THEME_PATH}/print.css" rel="stylesheet" type="text/css" media="print" title="printonly" />
 <link href="{T_STYLESHEET_LINK}" rel="stylesheet" type="text/css" media="screen, projection" />
 
+<!--[if IE 8]>
+<link href="{T_THEME_PATH}/ie8.css" rel="stylesheet" type="text/css" media="screen, projection" />
+<![endif]-->
+
 <link href="{T_THEME_PATH}/normal.css" rel="stylesheet" type="text/css" title="A" />
 <link href="{T_THEME_PATH}/medium.css" rel="alternate stylesheet" type="text/css" title="A+" />
 <link href="{T_THEME_PATH}/large.css" rel="alternate stylesheet" type="text/css" title="A++" />
diff -ur phpBB3.orig//styles/prosilver/template/posting_editor.html phpBB3.patchcond//styles/prosilver/template/posting_editor.html
--- phpBB3.orig//styles/prosilver/template/posting_editor.html	2010-11-19 13:22:36.000000000 +0100
+++ phpBB3.patchcond//styles/prosilver/template/posting_editor.html	2011-02-02 14:18:26.502196321 +0100
@@ -141,7 +141,7 @@
 		<!-- ENDIF -->
 	</div>
 
-	<div id="message-box">
+	<div id="message-box"<!-- IF S_UCP_ACTION and not S_PRIVMSGS and not S_EDIT_DRAFT --> class="small-message-box"<!-- ENDIF -->>
 		<textarea <!-- IF S_UCP_ACTION and not S_PRIVMSGS and not S_EDIT_DRAFT -->name="signature" id="signature" style="height: 9em;"<!-- ELSE -->name="message" id="message"<!-- ENDIF --> rows="15" cols="76" tabindex="4" onselect="storeCaret(this);" onclick="storeCaret(this);" onkeyup="storeCaret(this);" onfocus="initInsertions();" class="inputbox">{MESSAGE}{DRAFT_MESSAGE}{SIGNATURE}</textarea>
 	</div>
 </fieldset>
Nur in phpBB3.patchcond//styles/prosilver/theme: ie8.css.