Change the borderTopWidth value for hr from integer to a pixel value (#379)

* Change the borderTopWidth value for hr from an integer value to a pixel value

* Update CHANGELOG.md

---------

Co-authored-by: Adam Wathan <4323180+adamwathan@users.noreply.github.com>

Author: c99rahul

CHANGELOG.md

@@ -7,7 +7,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
-- Nothing yet!
+### Fixed
+
+- Include unit in `hr` border-width value ([#379](https://github.com/tailwindlabs/tailwindcss-typography/pull/379)
 
 ## [0.5.16] - 2025-01-07
 

src/styles.js

@@ -1470,7 +1470,7 @@ module.exports = {
         },
         hr: {
           borderColor: 'var(--tw-prose-hr)',
-          borderTopWidth: 1,
+          borderTopWidth: '1px',
         },
         blockquote: {
           fontWeight: '500',