Discord CSS theme that makes spoilered text look like it does in Telegram (with a floating snow particle animation effect)

discord-spoiler-snow.theme.css

/**
 * @name Spoiler snow
 * @description Replicates spoiler text effect from Telegram
 * @author Mato
 */

span[aria-label=Spoiler][aria-expanded=false][role=button] {
    background: url("https://mato.neocities.org/spoiler_snow.png") center/128px;
    opacity: 60%;
}