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focus-visible: visible focus when working with a keyboard
The selector allows a style of focus according to the browser's judgment that the indicator should be visible.
Published22 Oct 2026
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prefers-color-scheme: initial theme according to the system
A light or dark system theme can be a starting point for the site's colors.
Published22 Oct 2026
Technology
prefers-reduced-motion: less optional movement
The media query allows the interface to account for the system preference for reduced movement.
Published22 Oct 2026
Technology
overflow-wrap: long address in a narrow column
The property allows a break in an otherwise continuous string when it would go out of order.
Published22 Oct 2026
Technology
white-space: how to keep new lines in text
pre-wrap stores the spaces and new lines, and also allows for carryover.
Published22 Oct 2026
Technology
text-overflow: the ellipsis does not shorten only the text
ellipsis indicates that it has cut content, but requires appropriate restriction and overflow.
Published22 Oct 2026
Technology
line-height: why a number without a unit is convenient
A numeric value is multiplied by the font size and inherited as a multiplier.
Published22 Oct 2026
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calc(): when width is a percentage minus spacing
calc allows calculation in CSS without pre-converting everything to pixels.
Published22 Oct 2026
Technology
clamp(): smooth size with lower and upper bounds
The function selects a preferred value limited to a minimum and a maximum.
Published22 Oct 2026
Technology
gap: spacing between elements, no external edging
gap sets the gaps in grid and flex layouts; the distance to the edge of the container remains a separate task.
Published22 Oct 2026
Technology
isolation: a separate context for the layers of a component
isolation: isolate creates a new stacking context without requiring a random z-index just for that purpose.
Published22 Oct 2026
Technology
z-index: why 9999 is sometimes not enough
The order of layers is compared in stacking contexts, rather than in one overall ranking for the entire page.
Published22 Oct 2026