Go to Divi > Theme Builder

Build a new Header layout. It can be either a Global Header layout - used across your entire website - or a specific Header layout assigned to specific pages.

Inside the Header layout, insert a new Row

Insert the Menu module

Open the Menu module and set the logo

Edit the Section (that contains the Menu module), and in Design Tab > Spacing > Padding, set 30px for top and bottom padding

Go to Advanced Tab > Scroll Effects and set it to be Sticky to Top

Go back to Design Tab > Spacing > Padding and enable the Sticky State

Set new values for the top and bottom padding of 10px.