Auto: Automatically adjusts to the size of the content.
For custom layouts or advanced design.
Regular (80%): Takes up most of the screen width (about
80%), suitable for general content.
Readable Width (Optimal): Ideal for reading-focused
content, keeping the width close to 75 characters for better
readability.
Full Width: Fills the screen width (with small side
margins). Useful for large, immersive content.
See the Bolt documentation.