I need help for choosing the right theme!

Hi guys,

i am new at this game with creating a website. I want to re-design my website and i am searching for an individual theme for this. Could you tell me what theme is compatible with my webite?

Website: https://crypto-invest.io/

I want a design that is created for a crypto site. It should be lean and simple to use. An i am ready to pay up to 100$ for this.

Please help me to find one. I don’t know what u can choose.