Jokkmokk is a responsive, classic two-column theme for WordPress, based on the _s starter theme by Automattic, with all the sweetness of Bootstrap 3 added. Jokkmokk includes a default background image, but supports custom backgrounds as well as using a custom logo/header image.
The theme is included in the official WordPress themes directory, where it can be downloaded for free. It can also be installed from the “Themes” section in the administration area of WordPress sites. Search for “Jokkmokk” to find it. Updates to the theme will be possible to install from within wp-admin as well.