Flat Bootstrap WordPress Theme
Modern, responsive, “flat” style theme
Full-width Images and Sections
Set full-width “featured images” and use the included color palette to create stunning colored horizontal sections for your content.

Tons of “shortcodes” for your page content
Columns, buttons, icons, labels, badges, tabbed and collapsible areas, progress bars, carousels (sliders) and more!
Flat Bootstrap is a modern, fully responsive, “flat” style theme with a nice color palette, big full-width images, and full-width colored sections.
It automatically adapts for desktops, tablets, and phones. It is based on the standard WordPress starter theme (_S) and the Twitter Bootstrap CSS framework. The theme was inspired by the HTML/CSS themes from Blacktie.co and color schemes from Designmodo.com’s flat UI.
Features include a mobile navigation bar, multiple columns (grid), buttons, icons, labels, badges, tabbed content areas, collapsible content areas, progress bars, alert boxes, carousels (sliders) and much, much more. This is a theme for both users and theme developers with lots of features but without the bloat.
Why We Wrote this Theme
There are thousands of WordPress themes and dozens of Bootstrap themes, but almost all of them are designed with a maximum width. Most of the Bootstrap themes are also only for developers, not users, with just the basic ugly Bootstrap sticking out like a sore thumb. Most of the Bootstraps themes aren’t based on a core WordPress theme either, so they can be difficult to figure out how to adjust the styling.
We developed this theme to be unique in these key ways:
- It is based on the WordPress core “starter theme”, so you already know how to style it and override templates and such in a child theme without learning anything new!
- It is based on Bootstrap for cross-browser capability in a fully responsive theme with tons of components that you can use in your content, such as buttons, navbars, sliders, etc.
- It is designed to be a modern, “flat” (or technically “almost flat”) theme with full-width colored sections and full-width images. This really brings your content alive and allows the reader to focus on that content instead of the theme itself.
- Its open source AND completely free. Most themes like this are considered “premium” themes and cost money. Our hope is that user’s will love it and theme developers will start using it as a core “framework” as well.
Theme Features
- Fully responsive theme that changes layouts for desktop, tablets, and phones
- Modern, “flat” style theme with beautiful color palette
- Big full-width featured images on any page
- Full-width colored sections
- Hundreds of icons from Bootstrap and Font Awesome
- Variable column footer with 1 to 4 columns
WordPress Features Supported
custom-background, custom-header, custom-menu, featured-image-header, featured-images, flexible-header, fluid-layout, full-width-template, left sidebar, light, one-column, responsive-layout, right sidebar, rtl-language-support, sticky-post, theme-options, threaded-comments, translation-ready
Page Templates
- Full-width page with colored page header
- Full-width page without page header
- Full-width page with three (3) most recent posts (in columns on desktop)
- Page with right sidebar (default)
- Page with left sidebar
- Page without sidebar
- Site Index with search, pages, categories, tags, and recent posts listings
We’ve even included the ability to have individual posts be full-width as well.
“Shortcodes”
Our “shortcodes” aren’t really shortcodes… you simply use the standard Bootstrap markup, such as < div class=”whatever”>. If you really like shortcodes instead, you can download either of these plugins. They both work just fine with this theme.
- Colored buttons
- Colored message boxes (alerts)
- Tabbed content areas
- Collapsible content areas
- Sliders (carousels)
- Everything else that the Bootstrap CSS framework has to offer!
Demo and Download This Theme
Demo this theme Demo Flat Bootstrap Theme
Download this theme from the WordPress.org Theme Directory Download Flat Bootstrap Theme
Flat Bootstrap Child Theme
Allow users to customize the theme
Changes with CSS
Override background colors, link colors, etc. easily with a CSS file.

Changes with PHP Code
Use filters to change more significant aspects of the theme features
The Flat Bootstrap Child Theme is for users to be able to easily customize the theme.
It includes a stylesheet (style.css) for you to override or add CSS styles. It comes with a functions file (functions.php) in case you want to modify any theme functions. You can also, of course, copy down any of the page or post templates from the parent theme and modify them within your child theme. This way you can still receive updates to the parent theme for bug fixes and new features.
This child theme is included directly in the Flat Bootstrap WordPress theme. Just copy it up to your theme root directory and make your changes.
Flat Bootstrap Developer Theme
Strips out all the “extras” so you can style it up however you want
Minimal CSS Styling
CSS is stripped down to a minimum

PHP Stripped Down to a Minimum
Several PHP functions aren’t loaded, Font Awesome is removed, etc.
Flat Bootstrap Developer is a child theme for Flat Bootstrap that strips out all the “extras” so your theme is “light” and you can style it up however you want.
The child theme includes a style.css and functions.php to remove most of the theme’s extra features, javascript, and styles. Specifically:
- style.css does not include theme-specific styles from the parent theme
- functions.php removes or changes the following theme features
- Removes the custom bootstrap CSS and replaces it with the core Bootstrap CSS from the CDN
- Removes our theme-flat.css stylesheet that has the colored sections and extra buttons in it (btn-hollow and btn-transparent)
- Removes font-awesome.css (but Bootstrap Glyphicons are still there as they are used by the theme itself)
- Removes jquerymobile.js (small custom version) and our theme.js that triggers swiping in carousels on touch screens
- Loads only the required include files, which are for template tags, and adding Bootstrap to the theme.
- Does not load includes for the theme customizer (custom background, header, etc.), Jetpack continuous scrolling, keyboard navigation on attachment image pages, “extras” included in the TwentyXYZ themes, or plugin recommendations.
- Changes the site credits a bit, just to show how to override any function in the theme, both in the main functions file or in the included files.
Since this theme is for developers, we are hosting it on github. Download Flat Bootstrap Developer Theme
92 responses to “Flat Bootstrap WordPress Theme”
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