Fix fontSize consistency: use numeric px values instead of string '14px'/'12px'

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Co-authored-by: francinelucca <40550942+francinelucca@users.noreply.github.com>

Author: Copilot

theme/src/components/contributors.js

@@ -31,7 +31,7 @@ function Contributors({contributors}) {
       </div>
 
       {latestContributor.latestCommit ? (
-        <Text style={{fontSize: '12px', color: 'var(--fgColor-muted, var(--color-fg-muted))', marginTop: 4}}>
+        <Text style={{fontSize: 12, color: 'var(--fgColor-muted, var(--color-fg-muted))', marginTop: 4}}>
           Last edited by <Link href={`https://github.com/${latestContributor.login}`}>{latestContributor.login}</Link>{' '}
           on{' '}
           <Link href={latestContributor.latestCommit.url}>

theme/src/components/live-code.js

@@ -125,7 +125,7 @@ function LiveCode({code, language, highlight, noinline, metastring}) {
             margin: 0,
             padding: 16,
             fontFamily: 'monospace',
-            fontSize: '14px',
+            fontSize: 14,
             color: 'var(--fgColor-onEmphasis, var(--color-fg-on-emphasis))',
             backgroundColor: 'var(--bgColor-danger-emphasis, var(--color-danger-emphasis))',
           }}