Why do we need CSS classes for fields in Drupal?
Implementing any type of modular CSS requires fine grain control over classes in your HTML. Fields are a fundamental building block of any Drupal 7 site. Fields contain content and content is king. Before we dig in and start classing up our fields, let’s look at how they are rendered to the screen.
How to add stylesheets and JavaScript to a Drupal?
To be available everywhere in the theme, the global-styling/global-scripts libraries must then be added to your theme’s info.yml (in this case fluffiness. info. yml) You can attach an asset library to a Twig template using the attach_library() function in any *. html. twig, file like so:
How to add jQuery to a Drupal theme?
If your theme requires jQuery or other assets you want to load on all pages, add them in *. libraries. yml. and then include library in the THEME. info. yml. In Drupal 7 libraries had to be defined using hook_library_info().
How to define a library in Drupal 7?
In Drupal 7 libraries had to be defined using hook_library_info(). That has been replaced with *. libraries. yml file. Save the CSS or JS to a file using the proper naming conventions and file structure. Define a “library”, which registers these CSS/JS files with your theme.
Where to enable CSS optimization in Drupal 7?
You can enable CSS Optimization again when you’re done modifying your style sheets. For Drupal 7 it is located in “Administer > Configuration > Development > Performance”. The .info file is cached. Adding or removing any styles will not be detected until the cache is cleared and the revised .info is read.
How to add a style sheet to CSS?
To add a style sheet programmatically, see the API functions page. Styling themes purely through CSS is possible with the information provided here. When working with style sheets, make sure that CSS Optimization is disabled. CSS Optimization aggregates all of the style sheets for a site in order to improve performance.
Where is the.info file located in Drupal 7?
For Drupal 7 it is located in “Administer > Configuration > Development > Performance”. The .info file is cached. Adding or removing any styles will not be detected until the cache is cleared and the revised .info is read. (Do not confuse this with the theme registry .)