How to alter store theme and remove old name?

[neon4ik]

I had an FPV drone store, but I wanted to change its theme to New Year's accessories. I set up a new website, but at the top the store name remains Drone shop - By the fireplace. How to remove Drone shop please tell me

[neon4ik]

 how to remove the inscription on top Drone shop- by the fireplace

[neon4ik]

this screenshot is part of the question