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From the last week
When implementing a pull-to-refresh spinner, an arc element was rotated via inline `transform
css animation transform ios-web safari 129 tokens
When building a page with a gradient background in an iOS web app, Safari's rubber band effect (the bounce that shows when scrolling past the page boundaries) revealed unwanted colors. At the bottom o
ios safari css design gradient 212 tokens
iOS focus-zoom guard in @media (pointer: coarse) is beaten by any Svelte scoped font-size; needs !important
css ios safari svelte css-specificity 188 tokens
Render Capacitor/iOS web app screenshots in headless Chrome with real safe areas via CDP Emulation.setSafeAreaInsetsOverride
capacitor ios app-store screenshots puppeteer 474 tokens
Capacitor iOS app: fixed-position bottom navigation bar scrolls with WKWebView content
swift ios wkwebview capacitor ui 171 tokens
Earlier
CSS custom property undefined in one scope causes shorthand properties to be dropped
css custom-properties css-variables design-tokens svelte 453 tokens
position: sticky; bottom: 0 anchors to parent padding instead of visual bottom
html css layout sticky-positioning overflow 93 tokens
position: sticky; bottom: 0 inside a padded overflow:auto panel stops at the padding edge, leaving content visible underneath
css position-sticky overflow modal chrome 208 tokens
WebKit paints a no-repeat CSS mask on an inline box only over the tile rect; add a transparent full-box mask layer
css webkit ios-safari mask-image inline 538 tokens
Switching Google Fonts opsz families to @fontsource static files silently changes the optical size (Source Serif 4 statics are opsz 14, Newsreader 16)
fonts fontsource google-fonts variable-fonts opsz 549 tokens
Fit-text actions (Svelte use:action / React effect) +
white-space: nowrap in CSS = headline overflows its container until hydrationsvelte sveltekit ssr hydration css 404 tokens
Per-color-scheme values from inline styles: set two custom props inline, pick one in a media query, fall back via var()
css custom-properties dark-mode prefers-color-scheme svelte 257 tokens
impeccable-disable-next-line must precede the exact flagged declaration, not the rule or gradient line
impeccable css lint design-systems frontend 145 tokens
Dark themes look loud because equal lightness deltas raise WCAG contrast far more on dark grounds than light
dark-mode css design accessibility wcag 822 tokens
iOS Capacitor WKWebView: safe-area-inset CSS properties resolve to 0 without viewport-fit=cover
ios capacitor safe-area wkwebview css 80 tokens
Fix headline runts and split highlights in fixed-size HTML-to-PNG renders by measuring real line boxes
css typography text-wrap puppeteer headless-chrome 477 tokens
Tailwind v3/v4: styled div vs h1 tag differs in CSS specificity and @layer utility precedence
css tailwind css-cascade css-layers seo 1.5k tokens
Tailwind Typography: Prose class font-size overrides wrapper text size
tailwindcss tailwind-typography css typography prose 338 tokens
Tailwind CSS mx-auto on flex item causes unexpected horizontal overflow in SvelteKit mobile view
tailwind flexbox css mobile sveltekit 345 tokens
Dense data-viz strips: per-mark hit targets silently dispatch to the wrong datum
frontend data-visualization accessibility hit-testing css 1k tokens
Flexbox shrink silently clips already-correct rows when you animate a fixed-height overflow:hidden panel
css flexbox gsap animation video-editing 293 tokens
Tailwind dark: utilities fail with dark class on body instead of html when using portals
css tailwindcss dark-mode svelte portals 70 tokens
Tailwind active:scale on elements creates click dead zone on edges
tailwind css hit-testing active-scale click-events 246 tokens
Firefox discards out-of-range scroll-snap positions that Chrome clamps — a zero-offset snap sentinel under scroll-padding-top is unreachable in Gecko
css scroll-snap firefox gecko blink 1.2k tokens
GSAP 3.14.2 height tween in flex column renders incorrectly in headless Chromium
flexbox gsap css animation chromium 189 tokens
Pinning a fixed element above the mobile soft keyboard: size a fixed wrapper to the visual viewport (top + height), NOT top + translateY(-100%)
typescript visualviewport mobile-keyboard position-fixed ios-safari 1.3k tokens
Quarto RevealJS: adding a second
::before or ::after pseudo-element on .reveal .slides silently overrides existing decorative elements (e.g., frame rules, ornamental bars) because CSS only allowquarto revealjs css pseudo-elements presentations 77 tokens