Styling on Mobile in build is lost

For some reason when i deploy my site to Netlify or with a new fresh build (Using Gatsby), the sections where I have used the plugin on mobile have no styles. The content stays, yet the styling doesnt.

Heres what it should look like (From dev)
https://ibb.co/g7NM1SS

Here's what it looking like in build
https://ibb.co/kccX19S

What can be causing this?

This is my code:
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