It’s a very simple theme with simply utilisation.

Very usefull for his page options, in the Dashboard, menu Appearance : Customize Theme.

From this interface, you can operate all the website, grouped by module : Header, Content, Footer, Sidebar, and keeping the widgets and menu management of twenty eleven.

Example of options which you can modifify : Background, Header image, Title and description of the site, text size and color, add Google fonts.

You can choose between a left-sidebar, right-sidebar, or no-sidebar.

There is a tab who allow you to reset the default options.

If you want to add CSS property, you can :
-write it in Customize Theme => “General Settings”
-Create a custom.css in /themes/Tambourdeville

But if you want to add PHP, you’ll have to create a child theme : More informations

Do advert us for any problem, please, consult the WordPress Forum by clicking on the following link : Support

Here is the theme default screenshot :                                                                 Example of page options :