fix socials

Author: PallavJain01

README.md

@@ -43,7 +43,7 @@ Next Smallest Palindrome|[GeeksForGeeks](https://practice.geeksforgeeks.org/prob
 
 ---
 
-<center>
+<div align="center">
 
 <a href="https://discord.gg/YvBacAxu">
  <img src="https://dcbadge.vercel.app/api/server/YvBacAxu?theme=discord" />
@@ -59,7 +59,7 @@ Next Smallest Palindrome|[GeeksForGeeks](https://practice.geeksforgeeks.org/prob
  <img src="https://img.shields.io/youtube/channel/subscribers/UC2EF2l4DhSG3PVBXVyQhHfA?label=Coding%20Wallah%20Sir&logo=youtube&logoColor=f00&style=for-the-badge" /> 
 </a>
 
-</center>
+</div>
 
 <!--