Pollen screenshot

Pollen

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Updated: 9 Oct 2025
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The CSS variables build system

Overview

Pollen is an innovative library designed to enhance your web design projects through the use of CSS variables. With a focus on configurability and ease of use, Pollen allows developers to create styles that are not only quick to implement but also ensure consistency and maintainability across various components. This library is crafted with love by the talented team at Bokeh and aims to simplify the design workflow for both seasoned developers and those new to CSS.

What sets Pollen apart is its robust set of features that facilitate the creation of fully customized design systems. It eliminates the need for preprocessors and complex syntax, making it accessible for anyone looking to streamline their styling process.

Features

  • Robust library of variables: Pollen offers a comprehensive set of style-agnostic CSS variables, making it easy to implement across different projects.
  • Fully configurable: Utilize a CLI build tool that allows for extensive customization, adapting to your specific design needs with ease.
  • Zero setup required: Get started quickly without the hassle of complicated configurations—just plug and play.
  • Responsive design: Built-in configurable @media and @supports queries enable responsive styling for flexible design.
  • Lightweight output: Generates human-readable CSS, which simplifies the transition away from Pollen if ever needed.
  • Customizable tokens: Use Pollen’s design tokens to easily create a tailored design system with a simple configuration file.
  • Wide array of default variables: Includes everything from font sizes and weights to color palettes and box shadows, allowing for detailed control over styling.
  • Easy integration: Simply configure your design system, build the CSS, and include it in your HTML to start using right away.