Source: https://tailwindcss.com/docs/field-sizing

v4.1

Interactivity

field-sizing

Utilities for controlling the sizing of form controls.

| Class | Styles | | --- | --- | | field-sizing-fixed | field-sizing: fixed; | | field-sizing-content | field-sizing: content; |

Use the field-sizing-content utility to allow a form control to adjust it's size based on the content:

Type in the input below to see the size change

Latex Salesman, Vanderlay Industries

<textarea class="field-sizing-content ..." rows="2">  Latex Salesman, Vanderlay Industries</textarea>

Use the field-sizing-fixed utility to make a form control use a fixed size:

Type in the input below to see the size remain the same

Latex Salesman, Vanderlay Industries

<textarea class="field-sizing-fixed w-80 ..." rows="2">  Latex Salesman, Vanderlay Industries</textarea>

Prefix a field-sizing utility with a breakpoint variant like md: to only apply the utility at medium screen sizes and above:

<input class="field-sizing-content md:field-sizing-fixed ..." />

Learn more about using variants in the variants documentation .