chore(common): fix no code block language errors

Author: ntacheva

knowledge-base/grid-kb-only-one-filtermenu-option.md

@@ -35,17 +35,19 @@ There are two options:
 * Use a [custom filter template]({%slug grid-templates-filter%}). It provides full flexibility over the interface and building the filter descriptor.
 * Use custom CSS to [override the theme]({%slug themes-override%}) and hide the elements that provide the and/or secondary conditions. The example below demonstrates this approach. Note that **the required CSS is different for different UI for Blazor versions**:
 
-    <div class="skip-repl"></div>
-
-        /* UI for Blazor 3.0+ */
-        .k-filter-menu-container > span:nth-child(n+3) {
-            display: none;
-        }
-
-        /* UI for Blazor 2.30- */
-        .k-filter-menu-container > div > :nth-child(n+3) {
-            display: none;
-        }
+<div class="skip-repl"></div>
+````CSS
+<style>
+    /* UI for Blazor 3.0+ */
+    .k-filter-menu-container > span:nth-child(n+3) {
+        display: none;
+    }
+    /* UI for Blazor 2.30- */
+    .k-filter-menu-container > div > :nth-child(n+3) {
+        display: none;
+    }
+</style>
+````
 
 >caption Hide And/Or filter options in the Grid/TreeList FilterMenu with CSS
 

upgrade/breaking-changes/2-0-0.md

@@ -31,7 +31,7 @@ Until now, you had to include things like `@using Telerik.Blazor.Components.<Com
 
 As of the `2.0.0` version, you only need to add the following to your main **~/_Imports.razor** file, and you have to remove the `@using` statements per component:
 
-````
+````RAZOR
 @using Telerik.Blazor
 @using Telerik.Blazor.Components
 ````
@@ -147,7 +147,7 @@ This is a list of the components that had their child tags removed or renamed.
 * The `TelerikGridEvents` and `EventsManager` tags are removed. The CRUD events of the grid are now available at its root-level tag, for example `<TelerikGrid OnRead=@ReadItems>`.
 * All child tags that had `Telerik` as a prefix do not have that prefix anymore.
 
-````
+````RAZOR
 // Old
 <TelerikGrid Data=@GridData>
     <TelerikGridColumns>