[data-skin=spotify]{--skin-bg:#121212;--skin-surface:#181818;--skin-surface-2:#242424;--skin-border:#333333;--skin-text:#ffffff;--skin-muted:#b3b3b3;--skin-accent:#1ed760;--skin-accent-text:#000000;--skin-ring:rgba(30,215,96,0.4);--skin-radius:8px;--skin-font:"Circular","Helvetica Neue",Helvetica,Arial,ui-sans-serif,system-ui,sans-serif;--skin-mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;--sp-black:#000000;--sp-green:#1ed760;--sp-hover:#2a2a2a}[data-skin=spotify] .lesson-prose h2{letter-spacing:-.01em}[data-skin=spotify] .lesson-prose h2:before{content:"";display:inline-block;width:.5em;height:.5em;margin-right:.55rem;vertical-align:.12em;border-radius:999px;background:var(--sp-green)}body:has([data-skin=spotify]){background:#000000}