So you want to sharpen your skills and do real-world projects, that show what you can do and what you are capable of then Front-end mentor is what you need.

Each project includes designs (mobile & desktop), project content(text & images), a style guide, and a project brief.
And you can choose the difficulty level of the challenge.

Once you pick a project you will be able to download everything and get started right away.

Remember Practice makes Perfect

Good Luck