/*
 * Se activa solo cuando JS agrega la clase al body en el player de MasterStudy.
 */
body.ms-player-clean-ui #wa,
body.ms-player-clean-ui .wa__widget_container,
body.ms-player-clean-ui button.ktt10-btn,
body.ms-player-clean-ui .stm-lms-course__sidebar_toggle {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
    pointer-events: none !important;
}