One Million Goal

One Million Goal

How I Restyled My Substack (Prompts Included)

The exact Midjourney prompts, workflow, and design decisions I used to rebrand One Million Goal during a lunch break.

Marco Santonocito's avatar
Marco Santonocito
Feb 11, 2026
∙ Paid

I’m currently working on two projects: Anapana, the Italian meditation app, and Coco, my ear training app for musicians. Add to that a 2-year-old daughter who’s discovered the word no and you get the picture.

The only moments I have to experiment on things that aren’t urgent are lunch breaks.

Sometimes that means 60 minutes to test a new feature. Sometimes it’s scrolling through design inspiration while eating Tagliatelle al Ragù (my favorite!). And sometimes, like last week, it means accidentally redesigning your entire Substack brand.

In this post, I'm sharing the exact Midjourney prompts, the visual direction I found, and the complete workflow I used to rebrand onemilliongoal.com… so you can steal the process for your own newsletter.

But… I’m using this post to test a new funnel here. You can get all the premium posts 100% free for 1 year.

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It started with Midjourney

I opened Midjourney during lunch with a simple goal: improve the header image on onemilliongoal.com.

I started browsing the Explore section, looking at what other people were creating, and I kept stopping on this one particular style. Clean. A bit editorial. Strong use of color but not overwhelming. The kind of visual that makes you want to read whatever comes after it.

Midjourney Explore

I saved a few examples and started playing.


Finding the prompt

The first few attempts were… fine. But fine doesn’t cut it when you’re building a brand.

I kept iterating, adjusting, trying different angles. And then I found it, the prompt that actually worked:

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