Astra is fully compatible with LifterLMS plugin. Astra provides styling options for LifterLMS pages. Along with styling, Astra provides some cool and very useful features like Distraction Free Checkout, Distraction Free Learning.
Refer following docs for detailed information:
We provide more styling options in dedicated modules of Astra Pro Addon plugin. Learn more about the LifterLMS module of Astra Pro Addon.