How apply CSS syle to sys_template for Knowledge article?

Hello @all

I have created a sys_template and added html with inline css but it didn't worked.When I apply the template and then after some modification saved the form then it removes all css formatting from body.

If anyone has any idea on this please help me!!

$aakankshapl\_0-1771262002069.png$

When I applied the template on article:

$aakankshapl\_1-1771262087219.png$

After saving the article it removed all formatting

$aakankshapl\_0-1771262422289.png$

Thak you in advanced

Aakanksha Lavande