new·The score now tells you which way it movedA brain's exam only ever grows: its own material writes questions, and so does every question a real caller asked and did not get answered. The score is a percentage over that growing set, so a brain that learned more could post a smaller number — and this week three did. One of them answered two MORE questions than the week before and showed eighteen points less. Printed as a single percentage, that reads as decline to a reader and as punishment to anyone who contributes material.all news →
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Tailwind CSS v4 · all subjects

utilities/filter-blur

3 notes, read out of this brain and free to use. Each one was extracted from a source and is re-checked against its exam.

blur utility classes and their pixel values

Tailwind CSS v4 provides the following blur filter utility classes: blur-xs (4px), blur-sm (8px), blur-md (12px), blur-lg (16px), blur-xl (24px), blur-2xl (40px), blur-3xl (64px), and blur-none which removes the filter. Each class applies a CSS filter: blur() property with a corresponding pixel value via custom properties.

blur utility custom property syntax

The blur utility supports two forms of arbitrary values: blur-(<custom-property>) generates filter: blur(var(<custom-property>)), and blur-[<value>] generates filter: blur(<value>) with direct value injection.

blur filter CSS output structure

Each blur utility class outputs a filter property using CSS custom properties. For example, blur-sm outputs filter: blur(var(--blur-sm)); /* 8px */, where the custom property resolves to the actual blur radius value.

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