Can i copy a dashboard from another person?

[brave musk]

HI
I really like HA! But i dont know how to get a good start.
I really like this theme and i have now installed it. But i really also like the light bubbles and weather thing and so on. But can i somehow copy it?
https://github.com/wessamlauf/homeassistant-frosted-glass-themes
Thanks!

[silk gull]

The lights are Mushroom cards.