Using Rider 2017.2 as the IDE detects and unclosed <a> tag and the unnecessary Razor syntax.

src/Web/WebMVC/Views/Order/Index.cshtml

@@ -22,7 +22,7 @@
         </article>
     @if (Model != null && Model.Any())
     {
-        @foreach (var item in Model)
+        foreach (var item in Model)
         {
             <article class="esh-orders-items row">
                 <section class="esh-orders-item col-xs-2">@Html.DisplayFor(modelItem => item.OrderNumber)</section>

src/Web/WebMVC/Views/Shared/_Layout.cshtml

@@ -39,6 +39,7 @@
                         <a asp-area="" asp-controller="Catalog" asp-action="Index">
                             <img src="~/images/brand.png" />
                         </a>
+                    </a>
                 </section>
 
                 @await Html.PartialAsync("_LoginPartial")