.stage-fondo{background:radial-gradient(ellipse 80% 40% at 50% -10%, color-mix(in srgb, var(--msk-apart) 16%, transparent), transparent 70%), var(--msk-bg)}.stage-letra{-webkit-user-select:none;user-select:none}.stage-letra .chord-mark{pointer-events:auto;cursor:pointer}.stage-linea{transition:color .2s,transform .2s,opacity .2s}.stage-linea[data-activa=true]{color:var(--msk-apart);transform:translate(4px)}.stage-linea[data-pasada=true]{opacity:.55}