mux-player::part(seek-backward button),mux-player::part(seek-forward button){display:none!important}mux-player::part(bottom time range){display:none!important}mux-player{--seek-backward-button:none;--seek-forward-button:none;--time-range:none;--bottom-seek-backward-button:none;--bottom-seek-forward-button:none}