Results 29 issues of aplefull

I'm not sure if `@media` without actual query is valid but Chrome and Firefox seem to apply styles anyway. This reduction also comes from a real website iirc, so things...

bug
has repro
css

Example: ```CSS body { display: grid; } .a { opacity: 0; } .b { background-color: crimson; width: 40px; height: 40px; } ``` Chrome Ladybird ![image](https://github.com/user-attachments/assets/520d7186-e3cd-464d-9de4-1222e25e8c2d) ![image](https://github.com/user-attachments/assets/fafb4c4d-3e77-4f63-8f9a-ced1928942d6)

### Summary All of the following date strings are parsed by Chrome and Firefox and produce the same time value in both browsers (even though sometimes the value can be...

web compatibility
js

### Summary Executing following regex patterns with long input (provided in repro below) results in an OOM error. ```regex /(a+)+b/ ``` ```regex /^(a|a?)+$/ ``` While these are known pathological patterns...

### Summary Sometimes text is painted below background/above other elements when it shouldn't. Repro and screenshots below. Might be related to #1286? ### Operating system Linux ### Steps to reproduce...

bug
has repro
painting

### Summary Reduced from [https://www.radix-ui.com/colors](https://www.radix-ui.com/colors) (colors are missing from colors table). This one is a bit weird, so it's probably easier to look at the video below. Ladybird correctly lays...

This makes patterns like `/(a?b??)*/` correctly match the string. Issue was originally found in test262: [https://github.com/tc39/test262/blob/9d8efae5c2c1848b9c3362c4aa81dd360ff8d3a7/test/built-ins/RegExp/nullable-quantifier.js](https://github.com/tc39/test262/blob/9d8efae5c2c1848b9c3362c4aa81dd360ff8d3a7/test/built-ins/RegExp/nullable-quantifier.js)

`parseFloat(-0)` should return +0, but optimization that skips the string conversion for number values was causing -0 to be returned as-is. Summary: +2 ✅ -1 ❌ -1 💀 Diff Tests:...

This PR implements `Math.sumPrecise` from the following proposal: [tc39/proposal-math-sum](https://github.com/tc39/proposal-math-sum). Implementation is based on the JavaScript polyfill linked in the proposal and follows steps from [the specification](https://tc39.es/proposal-math-sum/#sec-math.sumprecise). Test262 results: Summary: +10...

Jpegs with YCCK color space were peviously treated as CMYK. Fixes https://github.com/LadybirdBrowser/ladybird/issues/3873