Adding MVC Flash to asp.net MVC4 projects

MVCFlash_changes.md

just after </runtime> add

<system.web.webPages.razor>
  	<host factoryType="System.Web.Mvc.MvcWebRazorHostFactory, System.Web.Mvc, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
		<pages pageBaseType="System.Web.Mvc.WebViewPage">
			<namespaces>
				<add namespace="System.Web.Mvc" />
				<add namespace="System.Web.Mvc.Ajax" />
				<add namespace="System.Web.Mvc.Html" />
				<add namespace="System.Web.Routing" />
				<add namespace="MvcFlash.Core.Extensions" />
			</namespaces>
		</pages>
	</system.web.webPages.razor>

in the <configSections>

<sectionGroup name="system.web.webPages.razor" type="System.Web.WebPages.Razor.Configuration.RazorWebSectionGroup, System.Web.WebPages.Razor, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35">
  		<section name="host" type="System.Web.WebPages.Razor.Configuration.HostSection, System.Web.WebPages.Razor, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" />
			<section name="pages" type="System.Web.WebPages.Razor.Configuration.RazorPagesSection, System.Web.WebPages.Razor, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" />
		</sectionGroup>

syles.css

/* Styles for Messages
----------------------------------------------------------*/
.messages div, .messages .warning
{
  border-radius: 4px;
	padding: 8px 35px 8px 14px;
	text-shadow: 0 1px 0 rgba(255, 255, 255, 0.5);
	background-color: #fcf8e3;
	border: 1px solid #fbeed5;
}

.messages .success 
{
	color: #468847;
	background-color: #dff0d8;
	border-color: #d6e9c6;
}
.messages .info, .messages .notice
{
	color: #3a87ad;
	background-color: #d9edf7;
	border-color: #bce8f1;
}
.messages .error
{
	color: #b94a48;
	background-color: #f2dede;
	border-color: #eed3d7;
}