This section covers features that need CSS or JavaScript to work. These custom solutions add functionality beyond Webflow's built-in options.

This section is organized by the different elements that need custom code.

📝 Table of contents

<aside> <img src="https://prod-files-secure.s3.us-west-2.amazonaws.com/c08e9cc9-3d03-4977-82a4-2278b0c13abd/aff1da5d-b4a6-4ddd-96e8-40e30e56eb73/background.png" alt="https://prod-files-secure.s3.us-west-2.amazonaws.com/c08e9cc9-3d03-4977-82a4-2278b0c13abd/aff1da5d-b4a6-4ddd-96e8-40e30e56eb73/background.png" width="40px" />

Text selection

Customize text selection appearance across browsers.

</aside>

<aside> <img src="https://prod-files-secure.s3.us-west-2.amazonaws.com/c08e9cc9-3d03-4977-82a4-2278b0c13abd/9a36b4b2-e0f9-4416-9f3b-00caa34ea0ec/background.png" alt="https://prod-files-secure.s3.us-west-2.amazonaws.com/c08e9cc9-3d03-4977-82a4-2278b0c13abd/9a36b4b2-e0f9-4416-9f3b-00caa34ea0ec/background.png" width="40px" />

Mega menu cropping

Ensure large dropdowns display fully on mobile devices.

</aside>

<aside> <img src="https://prod-files-secure.s3.us-west-2.amazonaws.com/c08e9cc9-3d03-4977-82a4-2278b0c13abd/46fc0282-5775-4eb7-bfc1-833172d04c00/background.png" alt="https://prod-files-secure.s3.us-west-2.amazonaws.com/c08e9cc9-3d03-4977-82a4-2278b0c13abd/46fc0282-5775-4eb7-bfc1-833172d04c00/background.png" width="40px" />

Marquee sliders

Create infinite sliders with fade/gradient effects.

</aside>

<aside> <img src="https://prod-files-secure.s3.us-west-2.amazonaws.com/c08e9cc9-3d03-4977-82a4-2278b0c13abd/dbd638c6-5a25-473a-af11-28f4d2116d4b/background.png" alt="https://prod-files-secure.s3.us-west-2.amazonaws.com/c08e9cc9-3d03-4977-82a4-2278b0c13abd/dbd638c6-5a25-473a-af11-28f4d2116d4b/background.png" width="40px" />

Rich text elements - FS

Enhance content formatting with pre-built elements.

</aside>

<aside> <img src="https://prod-files-secure.s3.us-west-2.amazonaws.com/c08e9cc9-3d03-4977-82a4-2278b0c13abd/3d7d0809-487a-4e55-9d3c-614c1c3122af/background.png" alt="https://prod-files-secure.s3.us-west-2.amazonaws.com/c08e9cc9-3d03-4977-82a4-2278b0c13abd/3d7d0809-487a-4e55-9d3c-614c1c3122af/background.png" width="40px" />

Slider progress bar

Implement slider with dynamic progress indicator.

</aside>

<aside> <img src="https://prod-files-secure.s3.us-west-2.amazonaws.com/c08e9cc9-3d03-4977-82a4-2278b0c13abd/0ecbbe3a-4ef4-4db7-9619-6cdc85169d57/background.png" alt="https://prod-files-secure.s3.us-west-2.amazonaws.com/c08e9cc9-3d03-4977-82a4-2278b0c13abd/0ecbbe3a-4ef4-4db7-9619-6cdc85169d57/background.png" width="40px" />

Select

Customize dropdowns with bespoke design.

</aside>

<aside> <img src="https://prod-files-secure.s3.us-west-2.amazonaws.com/c08e9cc9-3d03-4977-82a4-2278b0c13abd/eb726f68-4622-4ded-b685-e0814540294c/background.png" alt="https://prod-files-secure.s3.us-west-2.amazonaws.com/c08e9cc9-3d03-4977-82a4-2278b0c13abd/eb726f68-4622-4ded-b685-e0814540294c/background.png" width="40px" />

Slider dots

Modify navigation dot colors in sliders.

</aside>

<aside> <img src="https://prod-files-secure.s3.us-west-2.amazonaws.com/c08e9cc9-3d03-4977-82a4-2278b0c13abd/c63c9da6-40df-470a-a586-6ead15625123/background.png" alt="https://prod-files-secure.s3.us-west-2.amazonaws.com/c08e9cc9-3d03-4977-82a4-2278b0c13abd/c63c9da6-40df-470a-a586-6ead15625123/background.png" width="40px" />

CMS real-time filters - FS

Add dynamic blog post filtering functionality.

</aside>

<aside> <img src="https://prod-files-secure.s3.us-west-2.amazonaws.com/c08e9cc9-3d03-4977-82a4-2278b0c13abd/006b9a14-9e50-4478-893e-4535bd30a793/background.png" alt="https://prod-files-secure.s3.us-west-2.amazonaws.com/c08e9cc9-3d03-4977-82a4-2278b0c13abd/006b9a14-9e50-4478-893e-4535bd30a793/background.png" width="40px" />

Table of contents - FS

Create auto-updating content navigation.

</aside>

<aside> <img src="https://prod-files-secure.s3.us-west-2.amazonaws.com/c08e9cc9-3d03-4977-82a4-2278b0c13abd/4c5cc306-850a-4cf9-87c4-b57372f6548d/background.png" alt="https://prod-files-secure.s3.us-west-2.amazonaws.com/c08e9cc9-3d03-4977-82a4-2278b0c13abd/4c5cc306-850a-4cf9-87c4-b57372f6548d/background.png" width="40px" />

Countdown timer

Display animated, real-time countdown to deadline.

</aside>

Why custom code?

Webflow has many built-in features, but some advanced functions can be hard or impossible to do with just those tools. By adding custom code, we have been able to:

  1. Simplify complex interactions.
  2. Improve performance.
  3. Add unique features not available in Webflow's standard toolkit.

What you'll find here:

<aside> 🚨 Important