Update index.mdx

Signed-off-by: Lee Calcote <leecalcote@gmail.com>

Author: leecalcote

src/collections/events/2021/kubecon-china-2021/index.mdx

@@ -104,7 +104,7 @@ Speakers:
 <iframe width="50%" height="360px" style={{ marginBottom: "3rem" }} loading="lazy" src="https://www.youtube.com/embed/WEu6MorFtM0" title="YouTube video player" frameBorder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen>
 </iframe>
 
-<div style={{ backgroundColor: #E6E6E6, borderTop: "1px #D3D3D3 solid", borderBottom: "1px #D3D3D3 solid", padding: "1rem", align: "center", color: #666, marginBottom: "1rem" }}>CHINESE</div>
+<div style={{ backgroundColor: "#E6E6E6", borderTop: "1px #D3D3D3 solid", borderBottom: "1px #D3D3D3 solid", padding: "1rem", align: "center", color: "#666", marginBottom: "1rem" }}>CHINESE</div>
 
 <h2><a href="https://kccncosschn21.sched.com/event/pcbq/ji-jie-zhi-ke-zha-mu-solving-the-service-mesh-adopters-dilemma-anita-ihuman-layer5?iframe=no">致力于解决服务网格使用中碰到的棘手问题</a></h2>