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#DEVDOCS CSS HOW TO#

The following image illustrates this:ĮxampleCorp wants to change the color of the primary buttons to orange. action.primary class, so called primary buttons, are blue.

Here is a simple illustration of changing styles using the first approach: changing the color of the buttons of a certain class. To enable / disable these settings, go into Admin > Stores > Setting > Configuration > Advanced > Developer > CSS Settings. Use CSS critical path to eliminate render-blocking CSS resources. It does this by stripping white space within the file. Minification of CSS files reduces the file size being sent. Merge CSS files to decrease the number of HTTP requests required to load the page.

There are a couple options to help with CSS and site performance.

#DEVDOCS CSS HOW TO#

See the Clean static files cache topic for instructions how to do this.ĬSS merging, minification and performance If your style changes do not apply after refreshing the page, cleaning the static files cache might help. Make sure that you set your Magento application to the developer or default mode. Things to remember when working with styles

Create your own CSS files, optionally having compiled them using third-party CSS preprocessor.

Create your own Less files using the built-in Less preprocessor.

For example, to change the values of the variables used in the default files.

If your theme inherits from the Magento out-of-the-box Blank or Luma theme, you can override the default Less files.

Then you can use one of the following approaches: To customize storefront styles, you need to create a custom design theme. Magento application provides a built-in Less UI library, which you can optionally extend. To define styles of a Magento store, you can use both - CSS and Less stylesheets. Magento 2 incorporates Less, a CSS pre-processor that simplifies the management of complex CSS files.

Use translation dictionary to customize strings.

Create a responsive mobile theme based on a default theme.

How to Make Your Theme Responsive and Mobile.

Simple style changes with client-side LESS compilation vs.

Simple ways to customize a theme's styles.

Use Sass preprocessor and Gulp task runner.

Conventional notations used in this Guide.