chore: clean up class

Author: alan-w-u

src/pages/contact-us.astro

@@ -4,7 +4,7 @@ import { Content as FaqContent } from '../content/faq.md'
 ---
 
 <Layout title="Contact Us">
-  <section class="contact page-color-section green bottom-border">
+  <section class="contact">
     <h1 class="page-title">Contact Us</h1>
     <div class="socials">
       <a href="mailto:[email protected]">