diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 9fffef35..a90cd262 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -10,7 +10,7 @@ pool:
 
 variables:
   buildConfiguration: 'Release'
-  version: 2.40
+  version: 2.41
 
 steps:
 - task: UseDotNet@2
diff --git a/source/DasBlog.Services/ConfigFile/Interfaces/ISiteConfig.cs b/source/DasBlog.Services/ConfigFile/Interfaces/ISiteConfig.cs
index c1ea752a..551346ea 100644
--- a/source/DasBlog.Services/ConfigFile/Interfaces/ISiteConfig.cs
+++ b/source/DasBlog.Services/ConfigFile/Interfaces/ISiteConfig.cs
@@ -346,6 +346,8 @@ public interface ISiteConfig
 
 		string SecurityStyleSources { get; set; }
 
+		string DefaultSources { get; set; }
+
 		bool CookieConsentEnabled { get; set; }
 
 		bool EnableDoubleDecode { get; set; }
diff --git a/source/DasBlog.Services/ConfigFile/SiteConfig.cs b/source/DasBlog.Services/ConfigFile/SiteConfig.cs
index 5f23feb9..5100ed91 100644
--- a/source/DasBlog.Services/ConfigFile/SiteConfig.cs
+++ b/source/DasBlog.Services/ConfigFile/SiteConfig.cs
@@ -215,6 +215,9 @@ public SiteConfig() { }
 		public string SecurityScriptSources { get; set; }
 
 		public string SecurityStyleSources { get; set; }
-		public bool EnableDoubleDecode { get; set; }
+
+		public string DefaultSources { get; set; }
+
+		public bool EnableDoubleDecode { get; set; }		
 	}
 }
diff --git a/source/DasBlog.Services/DasBlog.Services.csproj b/source/DasBlog.Services/DasBlog.Services.csproj
index 5d2d179c..80a9f230 100644
--- a/source/DasBlog.Services/DasBlog.Services.csproj
+++ b/source/DasBlog.Services/DasBlog.Services.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <TargetFramework>netcoreapp3.1</TargetFramework>
-    <Version>2.40.0</Version>
+    <Version>3.0.0</Version>
   </PropertyGroup>
   <ItemGroup>
     <ProjectReference Include="..\DasBlog.Web.Core\DasBlog.Core.csproj" />
diff --git a/source/DasBlog.Tests/UnitTests/SiteConfigTest.cs b/source/DasBlog.Tests/UnitTests/SiteConfigTest.cs
index 733b8db3..05a3e262 100644
--- a/source/DasBlog.Tests/UnitTests/SiteConfigTest.cs
+++ b/source/DasBlog.Tests/UnitTests/SiteConfigTest.cs
@@ -166,5 +166,6 @@ public class SiteConfigTest : ISiteConfig
 
 		public string SecurityStyleSources { get; set; }
 		public bool EnableDoubleDecode { get => throw new NotImplementedException(); set => throw new NotImplementedException(); }
+		public string DefaultSources { get => throw new NotImplementedException(); set => throw new NotImplementedException(); }
 	}
 }
diff --git a/source/DasBlog.Web.UI/Config/site.config b/source/DasBlog.Web.UI/Config/site.config
index ba38df80..4e2cc448 100644
--- a/source/DasBlog.Web.UI/Config/site.config
+++ b/source/DasBlog.Web.UI/Config/site.config
@@ -112,6 +112,7 @@
 
   <CookieConsentEnabled>false</CookieConsentEnabled>
 
+  <DefaultSources>data:;https:</DefaultSources>
   <SecurityStyleSources>cloud.tinymce.com;cdn.tiny.cloud;cdn.jsdelivr.net;js.nicedit.com;www.google.com;platform.twitter.com;cdn.syndication.twimg.com;fonts.googleapis.com;maxcdn.bootstrapcdn.com</SecurityStyleSources>
   <SecurityScriptSources>cloud.tinymce.com;cdn.tiny.cloud;cdn.jsdelivr.net;js.nicedit.com;www.google.com;cse.google.com;cdn.syndication.twimg.com;platform.twitter.com;apis.google.com;www.google-analytics.com;www.googletagservices.com;adservice.google.com;securepubads.g.doubleclick.net;ajax.aspnetcdn.com;ssl.google-analytics.com</SecurityScriptSources>
 
diff --git a/source/DasBlog.Web.UI/DasBlog.Web.csproj b/source/DasBlog.Web.UI/DasBlog.Web.csproj
index b4d980ea..103b3530 100644
--- a/source/DasBlog.Web.UI/DasBlog.Web.csproj
+++ b/source/DasBlog.Web.UI/DasBlog.Web.csproj
@@ -14,7 +14,7 @@
     <AddRazorSupportForMvc>true</AddRazorSupportForMvc>
     <DockerDefaultTargetOS>Linux</DockerDefaultTargetOS>
     <UserSecretsId>d3583964-0aca-4de4-9521-c74cdf42f990</UserSecretsId>
-    <Version>2.40.0</Version>
+    <Version>2.41.0</Version>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="AutoMapper" Version="9.0.0" />
diff --git a/source/DasBlog.Web.UI/Models/AdminViewModels/SiteViewModel.cs b/source/DasBlog.Web.UI/Models/AdminViewModels/SiteViewModel.cs
index 28d84453..0ee03502 100644
--- a/source/DasBlog.Web.UI/Models/AdminViewModels/SiteViewModel.cs
+++ b/source/DasBlog.Web.UI/Models/AdminViewModels/SiteViewModel.cs
@@ -286,6 +286,11 @@ public class SiteViewModel
 		[Description("")]
 		public bool EnableDoubleDecode { get; set; }
 
+		[DisplayName("Default Sources (seperated by semi colon")]
+		[Description("")]
+		[StringLength(50, MinimumLength = 1, ErrorMessage = "{0} should be between 1 to 50 characters")]
+		public string DefaultSources { get; set; }
+
 		public bool EntryTitleAsLink { get; set; }
 		public bool ObfuscateEmail { get; set; }
 		public bool SendReferralsByEmail { get; set; }
diff --git a/source/DasBlog.Web.UI/Startup.cs b/source/DasBlog.Web.UI/Startup.cs
index 094158ff..70d1f154 100644
--- a/source/DasBlog.Web.UI/Startup.cs
+++ b/source/DasBlog.Web.UI/Startup.cs
@@ -386,13 +386,14 @@ public void Configure(IApplicationBuilder app, IWebHostEnvironment env, IDasBlog
 
 			var SecurityScriptSources = Configuration.GetSection("SecurityScriptSources")?.Value?.Split(";");
 			var SecurityStyleSources = Configuration.GetSection("SecurityStyleSources")?.Value?.Split(";");
+			var DefaultSources = Configuration.GetSection("DefaultSources")?.Value?.Split(";");
 
-			if (SecurityStyleSources != null && SecurityScriptSources != null)
+			if (SecurityStyleSources != null && SecurityScriptSources != null && DefaultSources != null)
 			{
 				app.UseCsp(options => options
 					.DefaultSources(s => s.Self()
-						.CustomSources("data:")
-						.CustomSources("https:"))
+						.CustomSources(DefaultSources)
+						)
 					.StyleSources(s => s.Self()
 						.CustomSources(SecurityStyleSources)
 						.UnsafeInline()
diff --git a/source/DasBlog.Web.UI/Themes/darkly/_Layout.cshtml b/source/DasBlog.Web.UI/Themes/darkly/_Layout.cshtml
index 312b7d21..6be62f96 100644
--- a/source/DasBlog.Web.UI/Themes/darkly/_Layout.cshtml
+++ b/source/DasBlog.Web.UI/Themes/darkly/_Layout.cshtml
@@ -22,24 +22,23 @@
 </head>
 
 <body>
-    <div class="navbar navbar-dark navbar-expand-lg sticky-top bg-dark">
-        <div class="navbar-collapse">
-            <a asp-area="" asp-controller="Home" asp-action="Index" class="navbar-brand"><site-title /></a>
-            <div class="container">
-                <div>
-                    <ul class="navbar-nav mr-auto">
-                        <li class="nav-item nav-item-active"><a class="nav-link" asp-area="" asp-controller="home" asp-action="index">Home</a></li>
-                        <li class="nav-item"><a class="nav-link" asp-area="" asp-controller="category" asp-action="category">Category</a></li>
-                        <li class="nav-item"><a class="nav-link" asp-area="" asp-controller="archive" asp-action="archive">Archive</a></li>
-                        <li class="nav-item"><a class="nav-link" asp-area="" asp-controller="feed" asp-action="rss">Subscribe</a></li>
-                        <li class="nav-item" dasblog-authorized><a id="CreatePostLink" class="nav-link" asp-area="" asp-controller="post" asp-action="create">Create Post</a></li>
-                        <li class="nav-item" dasblog-authorized><a class="nav-link" asp-area="" asp-controller="admin" asp-action="settings">Site Admin</a></li>
-                        <li class="nav-item" dasblog-authorized><a class="nav-link" asp-area="" asp-controller="admin" asp-action="managecomments">Manage Comments</a></li>
-                        <li class="nav-item" dasblog-authorized><a class="nav-link" asp-area="" asp-controller="users" asp-action="index">Users</a></li>
-                        <li class="nav-item" dasblog-authorized><a class="nav-link" asp-area="" asp-controller="activity" asp-action="index">Activity</a></li>
-                    </ul>
-                </div>
-            </div>
+    <div class="navbar navbar-expand-lg navbar-dark bg-dark">
+        <a asp-area="" asp-controller="Home" asp-action="Index" class="navbar-brand"><site-title /></a>
+        <button class="navbar-toggler collapsed" type="button" data-toggle="collapse" data-target="#navbar-darkly" aria-controls="navbar-darkly" aria-expanded="true" aria-label="Toggle navigation">
+            <span class="navbar-toggler-icon"></span>
+        </button>
+        <div id="navbar-darkly" class="navbar-collapse collapse" style="">
+            <ul class="navbar-nav mr-auto">
+                <li class="nav-item nav-item-active"><a class="nav-link" asp-area="" asp-controller="home" asp-action="index">Home</a></li>
+                <li class="nav-item"><a class="nav-link" asp-area="" asp-controller="category" asp-action="category">Category</a></li>
+                <li class="nav-item"><a class="nav-link" asp-area="" asp-controller="archive" asp-action="archive">Archive</a></li>
+                <li class="nav-item"><a class="nav-link" asp-area="" asp-controller="feed" asp-action="rss">Subscribe</a></li>
+                <li class="nav-item" dasblog-authorized><a id="CreatePostLink" class="nav-link" asp-area="" asp-controller="post" asp-action="create">Create Post</a></li>
+                <li class="nav-item" dasblog-authorized><a class="nav-link" asp-area="" asp-controller="admin" asp-action="settings">Site Admin</a></li>
+                <li class="nav-item" dasblog-authorized><a class="nav-link" asp-area="" asp-controller="admin" asp-action="managecomments">Manage Comments</a></li>
+                <li class="nav-item" dasblog-authorized><a class="nav-link" asp-area="" asp-controller="users" asp-action="index">Users</a></li>
+                <li class="nav-item" dasblog-authorized><a class="nav-link" asp-area="" asp-controller="activity" asp-action="index">Activity</a></li>
+            </ul>
             <div class="navbar navbar-collapse  col-md-offset-10 col-md-2">
                 @* could not make this go further right (or perhaps it already was fully justified on an indented column *@
                 <ul class="navbar-nav mr-auto">
diff --git a/source/DasBlog.Web.UI/Views/Admin/Settings.cshtml b/source/DasBlog.Web.UI/Views/Admin/Settings.cshtml
index 9a3bd1d9..c66dc9ad 100644
--- a/source/DasBlog.Web.UI/Views/Admin/Settings.cshtml
+++ b/source/DasBlog.Web.UI/Views/Admin/Settings.cshtml
@@ -560,6 +560,14 @@
 
     </div>
 
+    <div class="dbc-form-group row">
+
+        @Html.LabelFor(m => @Model.SiteConfig.DefaultSources, null, new { @class = "dbc-col-form-label col-3" })
+        @Html.TextBoxFor(m => @Model.SiteConfig.DefaultSources, null, new { @class = "form-control col-9" })
+        @Html.ValidationMessageFor(m => m.SiteConfig.DefaultSources, null, new { @class = "text-danger" })
+
+    </div>
+
     <hr />
 
     <div class="form-group">