update footnote

Author: Dhruvi16

content/contributing-code/pr-guidelines/contents.lr

@@ -60,4 +60,4 @@ Read and follow the contributing guidelines and code of conduct for the project.
 
 We aim to review pull requests within three business days.<a href="#footnote-1"><strong>*</strong></a>. If it has been over three business days and you have not received any feedback, feel free to follow up with us.
 
-<a name="footnote-1"><p class="muted small"><strong>*</strong> CC staff work Monday through Friday and are not available on weekends and national holidays (the specific holidays observed vary based on the person's location). CC is closed between Christmas Eve and New Years' Day every year and for a few days following the CC Global Summit. Also, our availability during events such as the CC Global Summit and our biannual staff meetups is limited.</p></a>
+<p class="caption"><a name="footnote-1" class="has-color-dark-slate-gray"><strong>*</strong></a> CC staff work Monday through Friday and are not available on weekends and national holidays (the specific holidays observed vary based on the person's location). CC is closed between Christmas Eve and New Years' Day every year and for a few days following the CC Global Summit. Also, our availability during events such as the CC Global Summit and our biannual staff meetups is limited.</p>