$ show CTalvio/Ultrachromic
Ultrachromic is a CSS theme for the Jellyfin media server that provides a modular system of CSS overrides to customize the appearance of the Jellyfin web interface. It consists of multiple CSS files that can be imported in a specific order to build a theme, including base styling, accent colors, rounding, progress bars, and various visual effects. The theme uses CSS variables for easy customization and includes presets that replicate the appearance of older chromic themes. It demonstrates good use of modern CSS features such as CSS variables, animations, backdrop-filter, and media queries.
The LLM identified 2 files worth highlighting for reuse:
This file defines how the accent color (--accent) is applied throughout the Jellyfin UI using CSS variables. It demonstrates a reusable theming pattern where a single accent color is used with varying opacities to style various UI elements (buttons, inputs, progress bars, etc.). The pattern can be adapted to other projects by replacing the selectors while retaining the use of the accent color variable.
This file creates a ripple hover effect on card images using a pseudo-element and keyframe animations. It is self-contained and uses the --accent variable for color. The technique of using an absolutely positioned pseudo-element to create a ripple effect on hover is a reusable pattern that can be applied to any container element by adjusting the selector.