Custom properties refresher:
Custom properties are defined like:
They cascade, can be scoped, and accept fallbacks with `var(--primary, #000)`.
#CSSVariables
Quick contrast: variables vs functions
•CSS custom properties (variables): hold a single value, used with `var(--name)`.
•CSS custom functions: compute values from arguments, used like `--fn(…)`.
Think “value vs formula”.
#CSS#CSSVariables
By using CSS Variables, you only define your themes once and manage all changes in a single block of CSS. It's clean, scalable, and respects user preference by default! Happy theming! 🎨
#CSSVariables#FrontEndDeveloper
CSS variables have rendered preprocessors like Sass obsolete! With native variable support, we can now achieve dynamic styling without the need for additional tools. This simplifies our workflow and keeps everything within good ol' CSS. #CSSVariables#NoMoreSass
②
対策としてテーマ用CSS変数を導入し、[data-theme="light|dark"] で色を切替。全コンポーネントの固定色を変数参照に統一し、ThemeInitで起動時に適用+localStorageで永続化。これで全ページ即時ライト/ダーク切替が可能に。
#CSSVariables#UI開発 #WebDev