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Without a doubt the most impressive thing I've seen with CSS. This immediately brought "A Single Div"[0] to mind, which stood as the coolest CSS demo I'd seen for... 11 years! This one takes the cake. I'll be pouring over it. Thanks! [0]: https://a.singlediv.com/
> For the best performance, please close other tabs and running programs. This has always been the case with CSS, hasn't it? When you use it for rendering something relatively complex, you're kinda doomed. I get the dream, we want everything to be declarative, and leave room for future optimizations, so that we can write once and run everywhere forever. But in practice, it's not really an improvement over traditional…
Can you describe a time that happened to you, and why you felt doomed?
That doesn’t like something that a person who has really used CSS in any meaningful way would say. Sharp edges, sure, but what technology doesn’t have that?
Web-based minecraft, when?
You used to be able to play Minecraft classic directly on minecraft.net
Earlier quoted context omitted.
Fun fact: one of the first versions of Minecraft (the "classic" one) was playable in a web browser. I actually did play it as a young teen and later thought I must have dreamt it, when I couldn't find it anywhere.
It got extended, embraced and extinguished.
... and 46,022 lines of HTML (3.07MB)
Earlier quoted context omitted.
You used to be able to play Minecraft classic directly on minecraft.net
It still exists at https://classic.minecraft.net/
>On 7 May, 2019, coinciding with Minecraft's 10th anniversary, a JavaScript recreation of an old 2009 Java Edition build named Minecraft Classic was made available to play online for free.
As I've hit my mid-life slide and (regressed|progressed) back to my youth-self, I've found myself just writing a bunch of apps and sites in html and css and really enjoying it.
One thing I still would like to see cracked is a random-like number in pure CSS. You can almost us there with some of the math functions and browser attributes, but I haven't found anything reliable.
I made some of my own notes on how this works here: https://simonwillison.net/2025/May/26/css-minecraft/
> For the best performance, please close other tabs and running programs. This has always been the case with CSS, hasn't it? When you use it for rendering something relatively complex, you're kinda doomed. I get the dream, we want everything to be declarative, and leave room for future optimizations, so that we can write once and run everywhere forever. But in practice, it's not really an improvement over traditional…