How do you get the old Roblox theme back?
To get the old Roblox theme back, you use a browser retheme, because Roblox itself keeps no setting for it. Once a redesign ships, the previous layout disappears from the site for good. What you can do is layer a cleaner, darker style on top of the current roblox.com with an extension, and switch it off whenever you want the default look again.
The safe way to do that is the free Roblox extension from BetterBLOX. It restyles the whole site — 26 colour presets plus light and dark — so roblox.com looks simpler and calmer than the default. It does not restore an older Roblox layout; nothing can. Because it ships from the official browser stores it stays maintained as Roblox changes underneath it.
Why the classic layout is gone from settings
Roblox redesigns its website in stages and does not keep a rollback switch. When the new home page, profile cards or navigation land, the old versions are retired. There is no hidden toggle and no account flag that restores 2016-era Roblox. Anyone telling you otherwise is usually pointing at a third-party theme, which is the closest you can get, just not an official Roblox one.
Retheme vs. sketchy userstyle scripts
Search for the old look and you will find raw CSS pastes floating around forums and Discord servers. Some are harmless. The trouble is that nobody reviews them, nobody updates them, and the moment Roblox tweaks its markup the style breaks and leaves the page a mess. A store-reviewed extension avoids all of that. It is checked before it goes live, it gets updates, and one toggle turns it on or off. You get a cleaner site without babysitting a pasted script.
What a retheme does and does not touch
A theme changes how the website looks, and only that. It does not read your password, does not handle a login cookie, and does not go near the game client, so nothing about your account or your play is affected. If you decide the retheme is not for you after all, flip it off on the extension’s settings page and roblox.com snaps back to its current design.