public void updateBoutonsDifficultee(String diff) {
        
        switch(diff) {
         
            case "Facile":
                // On change la partie en facile
                this.buttonFacile.setEnabled(false);
                this.buttonFacile.setForeground(new Color(102,153,255));
                this.buttonFacile.setBorder(new LineBorder(new Color(102,153,255),1));
                this.buttonFacile.setBackground(Color.WHITE);
                this.buttonNormal.setEnabled(true);
                this.buttonNormal.setBorder(new LineBorder(Color.WHITE,1));
                this.buttonNormal.setForeground(Color.WHITE);
                this.buttonNormal.setBackground(new Color(102,153,255));
                this.buttonDifficile.setEnabled(true);
                this.buttonDifficile.setBorder(new LineBorder(Color.WHITE,1));
                this.buttonDifficile.setForeground(Color.WHITE);
                this.buttonDifficile.setBackground(new Color(102,153,255));
                break;
                
            case "Normal":
                // On change la partie en facile
                this.buttonFacile.setEnabled(true);
                this.buttonFacile.setForeground(Color.WHITE);
                this.buttonFacile.setBorder(new LineBorder(Color.WHITE,1));
                this.buttonFacile.setBackground(new Color(102,153,255));
                this.buttonNormal.setEnabled(false);
                this.buttonNormal.setBorder(new LineBorder(new Color(102,153,255),1));
                this.buttonNormal.setForeground(new Color(102,153,255));
                this.buttonNormal.setBackground(Color.WHITE);
                this.buttonDifficile.setEnabled(true);
                this.buttonDifficile.setBorder(new LineBorder(Color.WHITE,1));
                this.buttonDifficile.setForeground(Color.WHITE);
                this.buttonDifficile.setBackground(new Color(102,153,255));
                break;
                
            case "Difficile":
                // On change la partie en facile
                this.buttonFacile.setEnabled(true);
                this.buttonFacile.setForeground(Color.WHITE);
                this.buttonFacile.setBorder(new LineBorder(Color.WHITE,1));
                this.buttonFacile.setBackground(new Color(102,153,255));
                this.buttonNormal.setEnabled(true);
                this.buttonNormal.setBorder(new LineBorder(Color.WHITE,1));
                this.buttonNormal.setForeground(Color.WHITE);
                this.buttonNormal.setBackground(new Color(102,153,255));
                this.buttonDifficile.setEnabled(false);
                this.buttonDifficile.setBorder(new LineBorder(new Color(102,153,255),1));
                this.buttonDifficile.setForeground(new Color(102,153,255));
                this.buttonDifficile.setBackground(Color.WHITE);
                break;
            
        }
        
    } // updateBoutonsDifficultee(String diff)