I want to create a file separator styled menu in react. I'm not very familiar with css, so i need a starting point. I have found many such menu components but all of them are full page.
I dont understand how to create the shape of the component, if it were a simple rectangle it would be possible, but the shape is the rectangle plus the button, i dont know how to manage that.
It will look something like this :
Alter clicking on "Filter Menu", it will slide into view: