<mat-error> and <mat-hint> text is bigger than on the documentation

[vernal pike]

Why is the error message bigger on my project, one is run locally the other is run on stackblitz.

Using Angular and Angular Material

Downloading the project from Stackblitz and running locally makes the text size okay

Repo: https://github.com/HestiaTechnology/hestia-web

The component is the test