.xk-lesson .xk-sawdust i{position:absolute;width:3px;height:3px;border-radius:50%;background:var(--xk-amber);opacity:0;animation:xkDustDrift 9s ease-in infinite}.xk-lesson .xk-wrap{position:relative;z-index:1;max-width:1180px;margin:0 auto;padding-left:28px;padding-right:28px}.xk-lesson .xk-reveal.xk-in{opacity:1;transform:translateY(0)}