public void setGameLabellingSize(int sizeShift) {

    Font font = currentHometeamL.getFont();
    Font newFont = new Font(font.getName(), font.getStyle(), font.getSize() + sizeShift);
    currentHometeamL.setFont(newFont);
    currentAwayteamL.setFont(newFont);

    Font tableHeaderFont = showTableP.getTable().getTableHeader().getFont();
    Font newTableHeaderFont =
        new Font(
            tableHeaderFont.getName(),
            tableHeaderFont.getStyle(),
            tableHeaderFont.getSize() + sizeShift);
    showTableP.getTable().getTableHeader().setFont(newTableHeaderFont);
  }