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basis.css - a CSS framework for rapid development

https://github.com/millermedeiros/basis.css/

Intro #

This main goal of this framework goal is to ease/speed up the development process helping you to DRY. CSS zen garden is a nice concept but usually not practical.

It is heavily inspired by the OOCSS approach of adding multiple classes to each element even if those classes aren't semantic and using elements as building blocks. A lot of people may not agree with this approach but it can reduce development time, file size and complexity a lot, read this presentation to understand why/how.

The classes and features are mostly structural, so you won't see any sort of rules for components like buttons or dialogs with a default visual style (unless it's the bare-minimum to make it work) since for the kind of stuff I do it is very uncommon to share visual styles across multiple projects. The only elements which have a preset visual style are paragraphs and a few other basic elements/classes used as an implementation reference and that should be edited by the user (inside the "core" and "widgets" folders).

Depending on the kind of project it may be a good idea to set default values to all the elements and just use classes to "enhance them", in other projects the visual style is so apart from the semantic value and/or you need so many variations that it doesn't make any sense to have defaults, this frameworks targets the later. Choose the best approach based on the project. (see other frameworks for more info)

These files should provide a base start point but many of the properties should be tweaked to match your needs, it isn't a one-size-fits-all solution.

Be pragmatic!

Other Frameworks #

This project shares a few features, techniques and "philosophy" present on HTML5 Boilerplate, OOCSS, Blueprint CSS, normalize.css and many other CSS frameworks... some of them are pure coincidence, others are heavily inspired or even copied... - techniques borrowed from other people (and that aren't common knowledge) are credited on the source code.

You can use some of the stubbornella/OOCSS files (mod.css, space.css, media.css, table.css, ...) as a complement to basis.css features, those rules weren't included on purpose since they are already available on OOCSS.

If you want to use normallize.css instead of a CSS reset, delete core/reset.css and core/tags.css files and @import url(normalize.css) inside master.css, all the other things should still work as expected.

Folder structure #

Everything is broken into small modules to make it easier to use only the classes you want, they are also split by kind.

~css/
 |+bss/             Framework code, should NOT be editted.
 |+core/            Project core structure, should be edited by user.
 |+widgets/         Componenents/Modules shared by multiple pages.
 `master.css        Loads other stylesheets.

Depending on the project I also create another folder called "sections" to store styles specific to each template/section/page.

bss #

Contain classes that should not be edited or overwritten by any circumstance since it can lead to confusions and undesirable behavior.

Mostly classes to speed-up the development process and keeping things DRY. Most of the classes uses !important to avoid conflicts with other styles.

If you don't want a certain element to behave like the .bss- class makes it behave remove the class, do NOT edit it! .bss-fl should never mean .bss-fr and so on...

core #

It is impossible to create base styles that works for all kinds of projects, that's why these styles should be edited in almost all projects. Use them as an implementation reference.

widgets #

Usually elements that are shared across multiple pages and that aren't directly related with the core structure (e.g. ui components)

Browser Support #

This project targets modern browsers (IE 7+, FF 3+, Chrome 4+, Safari 4+, Opera 10+).

If you need to support IE 6 search for descendant selectors >, if you delete them code will probably work on IE6 as well, descendant selectors are good to control scope of the rule (so we can have nested elements without breaking things...)

Important #

Some techniques may not be recommended on specific scenarios. Make sure you understand how to use those classes properly and avoid using non-semantic markup whenever possible, some of the styles should be used only on very specific cases (.bss-fl, .bss-fr, .b, .em, .bss-hcenter, ...), use only if the display style isn't directly related with the semantic value or if you know it won't degrade maintainability.

Compress/combine CSS files before deploy !!!

It is really important that you run a CSS compiler to minify and merge @import calls to reduce the number of HTTP requests and increase load time performance. I've been using RequireJS optimizer but you can use other tools like stylus, sass, less, since they also merge imported style sheets. (it is not because Basis is written in plain CSS that you can't use a pre-processor...)

License

Released under the WTFPL license.

Demo #

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