The validator throws false positives for properties relating to container queries.
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Test Container Queries</title>
<style>
.container {
container-name: test-container;
container-type: inline-size;
}
p {
font-size: 1rem;
}
@container test-container (max-width: 300px) {
p {
font-size: .5rem;
}
}
</style>
</head>
<body>
<div class="container">
<p>
Test if this is valid.
</p>
</div>
</body>
</html>
The validator throws false positives for properties relating to container queries.
As an example, I get these errors for the following markup example:
Error: CSS: container-name: Property container-name doesn't exist.
From line 10, column 25; to line 10, column 38
ner-name: test-container;↩Error: CSS: container-type: Property container-type doesn't exist.
From line 11, column 25; to line 11, column 35
ner-type: inline-size;↩Error: CSS: Unrecognized at-rule @container
From line 16, column 7; to line 16, column 16
}↩ @container test-