public static void Zoom_out()
   {
    System.out.println("inside zoom out");
    for(int i=0; i<2; i++) {
        System.out.println("inside loop");
    //new Actions(DriverManager.getWebDriver()).sendKeys(Keys.CONTROL, Keys.ADD).build().perform();
    //DriverManager.getWebDriver().findElement(By.cssSelector("body")).sendKeys(Keys.CONTROL, Keys.SUBTRACT);
    DriverManager.getWebDriver().findElement(By.tagName("body")).sendKeys(Keys.chord(Keys.CONTROL, "-"));
    try {
        Thread.sleep(8000);
    } catch (InterruptedException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    JavascriptExecutor js = (JavascriptExecutor)DriverManager.getWebDriver();
    js.executeScript("document.body.style.trasnform='90%';");

    DriverManager.getWebDriver().getKeyboard().pressKey(Keys.CONTROL);
    DriverManager.getWebDriver().getKeyboard().pressKey(Keys.SUBTRACT);
    }

    /*Robot robot = null;
    try {
        robot = new Robot();
    } catch (AWTException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    robot.keyPress(KeyEvent.VK_CONTROL);
    robot.keyPress(KeyEvent.VK_MINUS);
    robot.keyRelease(KeyEvent.VK_CONTROL);
    robot.keyRelease(KeyEvent.VK_MINUS);*/