textual/docs/styles/min_width.md

Min-width

The min-width rules sets a minimum width for a widget.

CSS

/* Set a minimum width of 10 cells */
min-width: 10;

/* Set a minimum width of 25% of the screen width */
min-width: 25vh;

Python

# Set the minimum width to 10 cells
widget.styles.min_width = 10

# Set the minimum width to 25% of the screen height
widget.styles.min_width = "25vh"