This is a heavily interactive web application, and JavaScript is required. Simple HTML interfaces are possible, but that is not what this is.
Post
Una Kravets
una.im
did:plc:kesmfbtx2loscqj7ktw5shtt
🥳 CSS functions have arrived*!!! 🥳
And they are *AWESOME*
Now, you can do:
@​function --alpha(--color, --opacity) {
result: rgb(from var(--color) r g b / var(--opacity));
}
div {
background: --alpha(red, 80%);
}
Lean more: https://una.im/5-css-functions/
(*arrived = in the latest stable Chrome)
2025-08-13T18:00:36.913Z