How to make css property border-radius work in email templates on Windows Outlook2019？

Question

I have asked this question on Stack Overflow, and I got below codes,but it didn't work with my outlook2019 on windows10.
Any other solutions to achieve half-circle or circle effects like below pictures？

<!--[if mso]>
<v:roundrect 
	xmlns:v="urn:schemas-microsoft-com:vml" 
	xmlns:w="urn:schemas-microsoft-com:office:word" 
	href="http://www.EXAMPLE.com/" 
	style="height:40px;v-text-anchor:middle;width:300px;" 
	arcsize="50%" stroke="f" fillcolor="yellow">    
	<w:anchorlock/>    
		<center style="color:#ffffff;font-family:sans-serif;font-size:16px;font-weight:bold;">        
			Button Text Here!    
		</center>
</v:roundrect>
<![endif]-->