+−<!DOCTYPE html> +−<style> +− #target { +− transition-timing-function: linear(calc(15 / 0), 10 10%); +− transition-duration: 10s; +− } +−</style> +−<script> +− window.addEventListener('load', () => { +− target.style.paddingBlock = "10px 10px"; +− }) +−</script> +−<slot id="target"></slot>