textual/docs/styles/min_height.md

Min-height

The min-height rule sets a minimum height for a widget.

CSS

/* Set a minimum height of 10 rows */
min-height: 10;

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

Python

# Set the minimum height to 10 rows
self.styles.min_height = 10

# Set the minimum height to 25% of the screen height
self.styles.min_height = "25vh"