Peiwen Lu writes about frontend architecture, CSS, web UX engineering, developer tools, and the reasoning behind practical interface solutions.https://peiwen.luFri, 06 Mar 2026 15:00:00 GMThttps://peiwen.lu/posts/blanksheethttps://peiwen.lu/posts/blanksheetDiscover Blanksheet, a CSS reset whose five explicit principles make every decision deliberate, documented, and defensible.Fri, 06 Mar 2026 15:00:00 GMThttps://peiwen.lu/posts/pixel-mirrorhttps://peiwen.lu/posts/pixel-mirrorPixel Mirror helps developers achieve pixel-perfect UIs by easily overlaying design mockups.Sat, 28 Dec 2024 13:30:00 GMThttps://peiwen.lu/posts/rhythm-sasshttps://peiwen.lu/posts/rhythm-sassLearn how baseline ratios and rhythm-sass produce precise, consistent vertical rhythm for web typography and layouts.Wed, 23 Oct 2024 09:00:00 GMThttps://peiwen.lu/posts/mastering-jsx-editing-in-emacshttps://peiwen.lu/posts/mastering-jsx-editing-in-emacsLearn how to use Emacs Tree-sitter functions and keybindings to navigate, select, edit, and refactor TypeScript and JSX more efficiently.Wed, 15 May 2024 00:00:00 GMThttps://peiwen.lu/posts/hashing-collision-detectionhttps://peiwen.lu/posts/hashing-collision-detectionOptimizing CSS compression with smart hashing and collision detection for improved readability, efficiency, and maintainability.Fri, 19 Apr 2024 00:00:00 GMThttps://peiwen.lu/posts/svg-in-csshttps://peiwen.lu/posts/svg-in-cssA user-friendly tool for generating URL encoded SVGs in CSS masks, streamlining the management of SVG icons.Mon, 18 Sep 2023 00:00:00 GMThttps://peiwen.lu/posts/lambda-sasshttps://peiwen.lu/posts/lambda-sassExploring functional programming in Sass with Clojure-inspired anonymous functions and threading macros.Wed, 12 Jul 2023 00:00:00 GMThttps://peiwen.lu/posts/emmet2-modehttps://peiwen.lu/posts/emmet2-modeExplore Emmet2-mode, an Emacs minor mode that combines Deno and the Emmet package with practical enhancements for faster web development.Mon, 03 Jul 2023 00:00:00 GMT