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Replying to @armand

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

Tyler Wanlass
Replying to @armand

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

Vaibhav Khulbe
Replying to @armand

Blending mode on the button background can do this.

Caspian Ievers
Replying to @armand

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

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