During March 2026, this developer enhanced header components across the po-ui/po-style and po-ui/po-angular repositories, focusing on design-system alignment and accessibility. They introduced a small AnimaliaDS header variant with a customizable bottom border in po-ui/po-style, and delivered an accessibility-compliant AA header variation in po-ui/po-angular, leveraging CSS variables for flexible theming. Their work centralized theming approaches, reduced customization effort, and improved UI consistency for downstream products. Utilizing Angular, TypeScript, and CSS, they collaborated across codebases to ensure unified header variants and theming, addressing both design and accessibility requirements while streamlining future feature delivery and maintenance across the UI ecosystem.