Contents
How to compile CSS in Magento using Grunt?
When using Grunt for styles preprocessing, you can enable the CSS source maps generation in your browser. It will make the theme styles debugging easier. For each theme, Magento compiles all theme .less files into two CSS files: styles-m.css and styles-l.css.
How to extend the styles of a Magento theme?
Let’s say you created a new theme inheriting from Magento Blank or Luma, and chose the Less compilation mode. What’s next? Where to add the style changes? This topic gives quick answers. To extend the parent theme’s styles in your theme: In your theme directory, create a web/css/source sub-directory. Create a _extend.less file there.
What do you need to know about Magento 2?
Magento 2 incorporates Less, a CSS pre-processor that simplifies the management of complex CSS files. To define styles of a Magento store, you can use both – CSS and Less stylesheets. Magento application provides a built-in Less UI library, which you can optionally extend. To customize storefront styles, you need to create a custom design theme.
How to override parent styles in Magento UI?
To override parent styles (that is, override default Magento UI library variables): In your theme directory, create a web/css/source sub-directory. Create a _theme.less file here. The path to it then looks like following: / │ ├── web/ │ │ ├── css/ │ │ │ ├── source/ │ │ │ ├──_theme.less
How to republish a theme in Magento 2?
Run all commands from your Magento installation directory. Removes the theme related static files in the pub/static and var directories. Republishes symlinks to the source files to the pub/static/frontend/ directory. Use grunt exec: to republish symlinks for a specific theme.
How to compile CSS files using Grunt less?
Compiles CSS files using the symlinks published in the pub/static/frontend/ directory. Use grunt less: to use the symlinks published for a specific theme. Tracks the changes in the source files, recompiles .css files, and reloads the page in the browser.
How to install Node.js in Magento instance?
Install (or refresh) the node.js project dependency, including Grunt, for your Magento instance. To do this, run the following commands in a command prompt: Add your theme to Grunt configuration. To do this, in the dev/tools/grunt/configs/themes.js file, add your theme to module.exports like following:
How to create a custom configuration file in Magento?
There are several ways to declare a custom configuration file. To use a custom file for Grunt configuration: Copy the default configuration file to the preferred location in the Magento instance directory. Do not change the file name. Open the grunt-config.json file in the Magento root and set configurations object as follows.
Which is the Watch Command in Magento 2?
After you run the exec command, run the clear command to clear the Magento cache, then run the watch command. Running the commands in this order will ensure that any custom jQuery attributes like product sliders, banners, etc are loaded correctly. If you have LiveReload installed, run the grunt watch command, and the flow is even simpler:
Where do I find less files in Magento?
Magento has a base set of variables that define commonly used aspects of a theme; such as colors, fonts, style of page titles, and so on. The /lib/web/css/source/lib/variables directory contains LESS files that define values assigned to variables for many of the common elements in Magento.
How are CSS and less files preprocessed in Magento?
The .less files from which the .css files included in layout are compiled. For example, in one of the layout files of the Magento Blank theme, the following .css files are included in the head : In the Magento application, the following modes of compiling .less files to CSS are implemented: Server-side Less compilation.