diff --git a/src/contents/parts.tsx b/src/contents/parts.tsx
index 54fa6c9071c75eb0d7d5e9a28abeaec7c02749f8..3968c95c618372b55a95243e084221d65845bc66 100644
--- a/src/contents/parts.tsx
+++ b/src/contents/parts.tsx
@@ -72,7 +72,7 @@ export function parts() {
   
     return (
       <>
-      <div className="custom-header-model">
+      <div className="custom-header-parts">
                 <h1 className="centered-title">
                 <img
                         src="https://static.igem.wiki/teams/5378/header/parts.png"
@@ -145,7 +145,7 @@ export function parts() {
                 <Element name="section3" className="element rounded-border" id='section3'>
                 <h2> 3.Contribution</h2>
                 <p className="indent">In addition, we have added content to the uploaded parts.</p>
-                <p className="indent">We optimized the codon of BBa_K3924011 and BBa_K3924002, and added two basic components accordingly, namely BBa_K5378011 and BBa_K5378012.</p>
+                <p className="indent">We optimized the codon of <a href=''>BBa_K3924011</a> and <a href=''>BBa_K3924002</a>, and added two basic components accordingly, namely <a href=''>BBa_K5378011</a> and <a href=''>BBa_K5378012</a>.</p>
                 </Element>