Logo text grow

[smmgoal]

Hello. I'm using illuminate dark theme. I would like to add
Code:https://smmgoal.com/
text-shadow: 2px 2px 5px red;
to my text header logo. Where can I do that?

 

[BattleKing]

It is absolute unclear what you would like to have and to do, please explain more in detail and what is that kind of webpage, what do you want?