idden) {
                    WebAudio.mute();
                } else {
                    WebAudio.unmute();
                }
            };

            static onClick = () => {
                document.removeEventListener('click', this.onClick);

                WebAudio.resume();

                this.ui.instructions.animateOut();

                if (!store.sound) {
                    this.ui.audioButton.onClick();
                }

                this.protonradio.play();
            };

          