Thomas Marstrander focused on enhancing the h5p-components repository by implementing a front-page description text alignment feature using CSS. He developed CSS overrides that enforce left alignment for description paragraphs, with a responsive fallback to center alignment on smaller screens, ensuring consistent presentation across devices. This approach maintained backward compatibility, reducing the need for per-author alignment adjustments and supporting broader theming control. Working primarily with CSS and front end development techniques, Thomas consolidated these theming changes into a single, reviewable change set. The work addressed theming requirements while minimizing disruption to existing styles, reflecting a careful and targeted engineering effort.