Why does not css work when I change my wordpress and sql file to another computer?

HIII, I developed a website using "Elementor" and when I copy the sql file and the wordpress file installed on my disk, I moved these files to another computer, I placed it and ran sql on phpmy admin, the problem is when I run wordpress on my another computer, css does not work. I mean, my design appears in disarray, there are no positions, etc., can you help me?