Sure, I can try to give you some ideas :)
Headbands, hats, accessories, geometric prints, colors…
Use what you have and combine with a few retro accessories. Don’t make it all retro. Try to make a look just inspired, not a copy so you won’t look weird.
If you’re good with makeup, try to make a cat eye, colored shadows, a lot of mascara (remember Twiggy!) but be careful not to exagerate.
How do you describe your style? What are your favourites accessories?