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/backface-visibility

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.

backface-visibility utilities

Tailwind CSS v4 provides two utility classes for controlling the CSS backface-visibility property: `backface-hidden` maps to `backface-visibility: hidden;` and `backface-visible` maps to `backface-visibility: visible;`.

backface-visible reveals rotated elements

The `backface-visible` utility shows the backface of an element (such as a face of a 3D cube built with transform-3d) even when it is rotated away from view, whereas `backface-hidden` hides it. Example usage: `<div class="translate-z-12 rotate-x-0 bg-sky-300/75 backface-hidden">1</div>` versus the same element with `backface-visible` instead of `backface-hidden`.

Responsive backface-visibility

Like other utilities, `backface-visibility` classes can be applied conditionally at different breakpoints using responsive prefixes, e.g. using `backface-visible` as the default class and `md:backface-hidden` (featured class pattern) to change behavior at a breakpoint.

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