Make Discord links more prominent (#8496)

README.md

@@ -3,9 +3,10 @@
 </p>
 
 [![NuGet](https://img.shields.io/nuget/v/Microsoft.Orleans.Core.svg?style=flat)](http://www.nuget.org/profiles/Orleans)
-[![Discord](https://img.shields.io/discord/333727978460676096?color=4db798&label=Discord%20Chat&logoColor=4db798)](https://aka.ms/orleans-discord)
 [![Follow on Twitter](https://img.shields.io/twitter/follow/msftorleans.svg?style=social&logo=twitter)](https://twitter.com/intent/follow?screen_name=msftorleans)
 
+[![Discord](https://discordapp.com/api/guilds/333727978460676096/widget.png?style=banner2)](https://aka.ms/orleans-discord)
+
 ### Orleans is a cross-platform framework for building robust, scalable distributed applications
 
 Orleans builds on the developer productivity of .NET and brings it to the world of distributed applications, such as cloud services. Orleans scales from a single on-premises server to globally distributed, highly-available applications in the cloud.
@@ -211,8 +212,8 @@ or
 
 ## Community
 
-[![Discord](https://discordapp.com/api/guilds/333727978460676096/widget.png?style=banner3)](https://aka.ms/orleans-discord)
-
+[![Discord](https://discordapp.com/api/guilds/333727978460676096/widget.png?style=banner4)](https://aka.ms/orleans-discord)
+    
 * Ask questions by [opening an issue on GitHub](https://github.com/dotnet/orleans/issues) or on [Stack Overflow](https://stackoverflow.com/questions/ask?tags=orleans)
 * [Chat on Discord](https://aka.ms/orleans-discord)
 * Follow the [@msftorleans](https://twitter.com/msftorleans) Twitter account for Orleans announcements.