Aron's Bloghttps://aron.tw/enAron on development, design, and everyday life.enAs Apps Multiply, What Comes After the App?https://aron.tw/en/blog/after-app-proliferationhttps://aron.tw/en/blog/after-app-proliferationAI is expanding the supply of software, while choosing, learning, and connecting tools still takes human effort. What would it take for more software to lead to fewer interfaces?Wed, 07 Oct 2026 16:00:00 GMTPerspectivesAIProduct DesignUser Experience Native CSS @function: Turning Repeated Calculations into Reusable Ruleshttps://aron.tw/en/blog/native-css-functionshttps://aron.tw/en/blog/native-css-functionsUse card and notice spacing to explore CSS @function parameters, call-site evaluation, conditions, and invalid values—and decide when a calculation deserves a function.Wed, 07 Oct 2026 16:00:00 GMTDevelopmentCSSWeb Standards Packages Are Still Being Downloaded. Their Reasons to Exist Are Fading.https://aron.tw/en/blog/why-utility-libraries-fadehttps://aron.tw/en/blog/why-utility-libraries-fadeWhich libraries and utilities are losing their purpose, and which deserve to stay? An investigation of npm downloads, native platform capabilities, maintenance commitments, and AI's contradictory effects on old dependencies.Wed, 07 Oct 2026 16:00:00 GMTDevelopmentWeb StandardsAI When AI Makes Building Easier, Why Choose Your Product?https://aron.tw/en/blog/ai-redefines-product-valuehttps://aron.tw/en/blog/ai-redefines-product-valueAs code moves into the background, building a working feature is only a beginning. A small studio's booking service offers a way to rethink product differentiation, user control, and the engineering behind reliable outcomes.Wed, 30 Sep 2026 16:00:00 GMTPerspectivesAIProduct DesignUser Experience CSS in the AI Era: What Problems Should Frameworks Still Solve?https://aron.tw/en/blog/css-evolution-ai-frameworkshttps://aron.tw/en/blog/css-evolution-ai-frameworksA history of CSS, Sass, and component styling, informed by State of CSS 2026, to examine how AI could shift the value of frameworks toward design constraints, reliable changes, and verification.Wed, 30 Sep 2026 16:00:00 GMTPerspectivesCSSAIDesign SystemsWeb Standards Native CSS @mixin: From Repeated Declarations to Reusable Style Ruleshttps://aron.tw/en/blog/native-css-mixinshttps://aron.tw/en/blog/native-css-mixinsExplore the native CSS @mixin, @apply, parameters, and @contents proposals through cards and notices, and learn when custom properties, shared classes, or mixins make reuse easier to maintain.Wed, 30 Sep 2026 16:00:00 GMTDevelopmentCSSWeb Standards