# Startup Skills: Jakub Antalik > Every skill by Jakub Antalik in the index, with a line saying when to use each one. I index these, I do not host them. Every entry points at the original author's repo and carries a source byline. ## Entries (2) - [Transitions.dev](https://github.com/Jakubantalik/transitions.dev/blob/main/skills/transitions-dev/SKILL.md) by Jakub Antalik: Use when building CSS transitions for badges, dropdowns, modals and page changes. - [Transitions polish](https://github.com/Jakubantalik/transitions.dev/blob/main/skills/transitions-polish/SKILL.md) by Jakub Antalik: Use when motion already works and the durations, easing and stagger need tuning. ## Links - [Page](https://startupskills.dev/jakubantalik): the same list, for a person. - [The whole index](https://startupskills.dev/llms.txt): all 189 entries. - [Skills index](https://startupskills.dev/skills): every skill, with search.