This component is deprecated.

This component should not be used for new projects. Only the most severe security-related bugs will be fixed for this component, though existing implementations will continue to work. This page is here for existing users to refer to documentation.


Mechanism to target style rules at only specific user agents, allowing browser-specific bugs to be fixed. Also includes convenience methods for dealing with vendor prefixed CSS and JavaScript properties.

GitHub Repository


Build Service

Add the following to your <script> and <link> tags.


How do I do that?

For more information see the Origami build service.

Manual Build Process

Run the following command in the root directory of your project, to add this dependency to your bower.json file:

bower install --save "o-useragent"@"^2.2.1"

For more information see the Origami build process.