Visual Studio Installation

There are a few built in themes but more can be downloaded from here.

From Tools  Theme  A theme.

From the Tools  Options.

In the left navigation pane select Text Editor  All Languages  CodeLens.

Uncheck Enable CodeLens.

In the left navigation pane select Environment  Fonts and Colors.

In Show settings for: select Text-Editor.

In Display items: window select HTML Razor Code Background.

For Item background: click the Custom button.

Set Red,Green, and Blue values = 30

From Tools  Import and Export Settings.

Select the Reset all settings radio button.

Select No, just reset settings…​ radio button.

Now select Visual C#.