--- > **tl;dr** just keeping doing what responsive web design and accessibility experts have advocated for years. - [View Highlight](https://read.readwise.io/read/01h43c8p1y564zn3wytj03nf3t) --- > What even is a “pixel” when your screen is projected onto the wall in a virtual space? Even more reason to move away from `px` and use resolution-agnostic units like `rem` - [View Highlight](https://read.readwise.io/read/01h43c8g5kwfysa5hzdktdbmef) --- > In other words, Safari will ignore your CSS `:hover` rules in visionOS (proving, again, the powerful idea of thinking of your CSS as *suggestions* for the browser rather than *instructions* — something I first heard from [Jeremy quoting Eric](https://adactio.com/journal/18454)). - [View Highlight](https://read.readwise.io/read/01h43c9e7btcvxmvb8dy722zbj) --- > It’s 2023 and would you look at that: semantic, accessible HTML is still as important as ever. HTML isn’t just for old beige tower computers connected to cathode-ray tube monitors. It’s being relied on by the most technologically advanced AR/VR consumer device in 2023. - [View Highlight](https://read.readwise.io/read/01h43cacdf49ys96ssjbe02d0z) ---