Hello, it's interesting because i used to be like that as well long time ago..

First thing first about make up.. You can learn simple subtle base make up look from youtube.. Basic make up look is foundation or bb cream, blush, mascara, nudish palete eye shadow, & neutral lipstick..

Check this link might help: A Very Easy Make-Up Lesson, For Absolute Beginners

Some inspirations:

Second about basic clothing.. You will need skinny jeans, white t shirt, little black dress, black high heels, blazer, balerina flats, scarf, some blouse.. Ora si può facilmente mescolare e abbinare... Ma poi di nuovo, dipende da cosa e quale comodo per voi .. E dalla tua personalità..

Ecco qualche ispirazione:

Spero che questo aiuti, buona fortuna! :)