more references.

Views/Shared/Error.cshtml

@@ -1,22 +1,40 @@
-@model ErrorViewModel
-@{
-    ViewData["Title"] = "Error";
-}
-
-<h1 class="text-danger">Error.</h1>
-<h2 class="text-danger">An error occurred while processing your request.</h2>
-
-@if (Model.ShowRequestId)
-{
-    <p>
-        <strong>Request ID:</strong> <code>@Model.RequestId</code>
-    </p>
-}
-
-<h3>Development Mode</h3>
-<p>
-    Swapping to <strong>Development</strong> environment will display more detailed information about the error that occurred.
-</p>
-<p>
-    <strong>Development environment should not be enabled in deployed applications</strong>, as it can result in sensitive information from exceptions being displayed to end users. For local debugging, development environment can be enabled by setting the <strong>ASPNETCORE_ENVIRONMENT</strong> environment variable to <strong>Development</strong>, and restarting the application.
-</p>
+@model ErrorViewModel
+
+@{
+    var error = Model?.Error?.Error;
+    var errorDescription = Model?.Error?.ErrorDescription;
+    var request_id = Model?.Error?.RequestId;
+}
+
+<div class="error-page">
+    <div class="lead">
+        <h1>Error</h1>
+    </div>
+
+    <div class="row">
+        <div class="col-sm-6">
+            <div class="alert alert-danger">
+                Sorry, there was an error
+
+                @if (error != null)
+                {
+                    <strong>
+                        <em>
+                            : @error
+                        </em>
+                    </strong>
+
+                    if (errorDescription != null)
+                    {
+                        <div>@errorDescription</div>
+                    }
+                }
+            </div>
+
+            @if (request_id != null)
+            {
+                <div class="request-id">Request Id: @request_id</div>
+            }
+        </div>
+    </div>
+</div>