Line next to button grows on hover (copy from current website)

Design help General
1

Hi there,

I’m trying to recreate a button, such as this one here: New Recording - 14/08/2021, 09:58:22

I’ve tried a few things but failed badly, is anyone able to help with this?

Many thanks in advance :slight_smile:

Here is my site Read-Only:

https://preview.webflow.com/preview/plus-x-landing-pages?utm_medium=preview_link&utm_source=designer&utm_content=plus-x-landing-pages&preview=53c1679a14ab56dc8af0cb55921f722f&workflow=preview