A header layout is a structural problem before it is a visual one. The logo , navigation , icons , and CTA need a clear relationship. You need to decide where each item sits, how much space separates it, and what changes on smaller screens. Flexbox solves that problem with layout rules. In Divi 5 , those controls live inside the Visual Builder , so you can define the structure visually instead of writing custom CSS. Below, we will build two practical Flexbox headers and show how Divi 5’s menu, canvas, and interaction tools work together. 1 Flexbox In Divi 5 1.1 Core Flexbox Controls 1.2 Why Use Flexbox For Headers 2 More Divi 5 Features To Help You Build Better Headers 2.1 The Link And Dropdown Modules 2.2 Interactions And Canvases 2.3 Editable Theme Builder Areas 3 Before You Build: Plan The Header Structure 3.1 Map The Header Elements 3.2 Group Items Before Styling Them 3.3 Plan The Mobile Behavior 3.4 Check The Details Before Publishing 4 Building A Flexbox Header In Divi 5 4.1 Design #1: Three-Row…