How to customize the UI of software that blocks CSS
Applications often restrict UI changes to basic color schemes by blocking custom CSS entirely. Because AI coding tools frequently reject highly specific aesthetic requests over copyright concerns, applying a complex visual theme requires hiring a human developer or building a completely new frontend connected to the existing backend.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
Found another way around this?
Share your steps and trade-offs so fellow engineers don't have to reinvent the wheel. No account required.
- 1Loading the application source code into an IDE and using an AI coding agent to modify the frontend locally.Did this help you?
- 2Using browser extensions like Greasemonkey to force custom user stylesheets over the existing interface.Did this help you?
- 3Building native web components directly inside the platform to leverage built-in auth and securityDid this help you?
- 4Building an entirely separate stack to avoid fighting the platform's API limits and auth flowsDid this help you?
In their words
Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.
“But it has qualams about copyrighted material and I wanted to know where to go to if I wanted a human to actualyl put in some work”source ↗
“Netlock doesn't allow CSS and therefore the options are just colour scheme wise”source ↗
“I am using netlock RMM at the moment and I'm thinking about paying someone to build me a Neon Genesis / NERV theme for it. I don't want this for commercial purposes, I only want something more appealing for my eyes.”source ↗
“is it possible to vibe code the an web app with customised UI and workflow that uses SalesForce infra? Or would it make more sense to vibe code the whole stack?”source ↗
Where this came up
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