);
          } else if ( e.code === 'KeyM' ) {
            this.toggleMute();
          }
        } );
      }

      setTime( minutes, seconds ) {
        if ( this.mode === 'stopwatch' ) {
          return;
        }
        this.initialTime = minutes * 60 + seconds;
        this.totalTime = this.initialTime;
        this.currentTime = this.initialTime;
        this.currentMilliseconds = 0;
        this.updateDisplay();
        this.updateProgress();
      }

      setCustomTime() {
        const minutes 