KISSLabs is a strategically led branding and creative agency that helps clients to communicate through graphic design and art direction.

KISSLabs — Branding + Creative Agency

Yup. We use it on the customer cursor at KISSLabs.co.nz built in Webflow.

Yup, the magic looks to be a css mix-blend-mode property.

z-index to place that fixed button at the top of everything, white bg color and an exclude/difference filter. That oughta do it.

Anyone know how this effect can be done in Webflow?

Blending mode on the button background can do this.