How to build one yourselfIllustration by Eleonore MilletA design guideline is a document that lists all the choices and conventions taken in the company, in order to keep the design and development team aligned. Being connected to, for instance, the design guideline, allows a given prototype to be developed faster and without complications.Here is an example of what I define in my guideline:1. Base unit
A base unit is an 8×8 pixel square. To create margins and padding, the base unit is scaled by two.
Based on the grid concept from IBM Carbon Design System2. Grid
A grid is built by multiplying or dividing in two, using percentages
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