diff --git a/src/main/java/util/driver/DriverHelper.java b/src/main/java/util/driver/DriverHelper.java
index 8bb293a..d12b680 100644
--- a/src/main/java/util/driver/DriverHelper.java
+++ b/src/main/java/util/driver/DriverHelper.java
@@ -156,7 +156,11 @@ public static void scrollUpMobileElement(AppiumDriver driver, MobileElement elem
     public static void zoomInOutPage(WebDriver driver, int zoomPercent) {
         if (zoomPercent > 0) {
             JavascriptExecutor jse = (JavascriptExecutor) driver;
-            jse.executeScript("document.body.style.zoom = '" + zoomPercent + "%'");
+            if (isFirefox()) {
+                jse.executeScript("document.body.style.MozTransform = 'scale(" + (zoomPercent / 100f) + ")';");
+            } else {
+                jse.executeScript("document.body.style.zoom = '" + zoomPercent + "%'");
+            }
         }
     }
 
diff --git a/src/main/java/util/validator/ResponsiveUIValidator.java b/src/main/java/util/validator/ResponsiveUIValidator.java
index 3fa4261..de58b86 100644
--- a/src/main/java/util/validator/ResponsiveUIValidator.java
+++ b/src/main/java/util/validator/ResponsiveUIValidator.java
@@ -22,8 +22,7 @@
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.atomic.AtomicLong;
 
-import static environment.EnvironmentFactory.isChrome;
-import static environment.EnvironmentFactory.isMobile;
+import static environment.EnvironmentFactory.*;
 import static util.general.SystemHelper.isAutomotionFolderExists;
 import static util.general.SystemHelper.isRetinaDisplay;
 import static util.validator.Constants.*;
@@ -41,6 +40,7 @@ public class ResponsiveUIValidator {
     private static Color rootColor = new Color(255, 0, 0, 255);
     private static Color highlightedElementsColor = new Color(255, 0, 255, 255);
     private static Color linesColor = Color.ORANGE;
+    private static String currentZoom = "100%";
     private static File screenshot;
     private static BufferedImage img;
     private static Graphics2D g;
@@ -697,8 +697,16 @@ String getFormattedMessage(WebElement element) {
     }
 
     int getRetinaValue(int value) {
-        if (isRetinaDisplay() && isChrome()) {
-            return 2 * value;
+        if (!isMobile()) {
+            int zoom = Integer.valueOf(currentZoom.replace("%", ""));
+            if (zoom != 100) {
+                value = (int) (value - (value * Math.abs(zoom - 100f) / 100f));
+            }
+            if (isRetinaDisplay() && isChrome()) {
+                return 2 * value;
+            } else {
+                return value;
+            }
         } else {
             return value;
         }
@@ -707,7 +715,17 @@ int getRetinaValue(int value) {
     long getPageWidth() {
         if (!isMobile()) {
             JavascriptExecutor executor = (JavascriptExecutor) driver;
-            return (long) executor.executeScript("if (self.innerWidth) {return self.innerWidth;} if (document.documentElement && document.documentElement.clientWidth) {return document.documentElement.clientWidth;}if (document.body) {return document.body.clientWidth;}");
+            if (isFirefox()) {
+                currentZoom = (String) executor.executeScript("document.body.style.MozTransform");
+            } else {
+                currentZoom = (String) executor.executeScript("return document.body.style.zoom;");
+            }
+            if (currentZoom == null || currentZoom.equals("100%") || currentZoom.equals("")) {
+                currentZoom = "100%";
+                return (long) executor.executeScript("if (self.innerWidth) {return self.innerWidth;} if (document.documentElement && document.documentElement.clientWidth) {return document.documentElement.clientWidth;}if (document.body) {return document.body.clientWidth;}");
+            } else {
+                return (long) executor.executeScript("return document.getElementsByTagName('body')[0].offsetWidth");
+            }
         } else {
             return driver.manage().window().getSize().width;
         }
@@ -716,7 +734,17 @@ long getPageWidth() {
     long getPageHeight() {
         if (!isMobile()) {
             JavascriptExecutor executor = (JavascriptExecutor) driver;
-            return (long) executor.executeScript("if (self.innerHeight) {return self.innerHeight;} if (document.documentElement && document.documentElement.clientHeight) {return document.documentElement.clientHeight;}if (document.body) {return document.body.clientHeight;}");
+            if (isFirefox()) {
+                currentZoom = (String) executor.executeScript("document.body.style.MozTransform");
+            } else {
+                currentZoom = (String) executor.executeScript("return document.body.style.zoom;");
+            }
+            if (currentZoom == null || currentZoom.equals("100%") || currentZoom.equals("")) {
+                currentZoom = "100%";
+                return (long) executor.executeScript("if (self.innerHeight) {return self.innerHeight;} if (document.documentElement && document.documentElement.clientHeight) {return document.documentElement.clientHeight;}if (document.body) {return document.body.clientHeight;}");
+            } else {
+                return (long) executor.executeScript("return document.getElementsByTagName('body')[0].offsetHeight");
+            }
         } else {
             return driver.manage().window().getSize().height;
         }
diff --git a/src/test/java/ResponsiveValidatorTest.java b/src/test/java/ResponsiveValidatorTest.java
index 1861490..856c54a 100644
--- a/src/test/java/ResponsiveValidatorTest.java
+++ b/src/test/java/ResponsiveValidatorTest.java
@@ -6,6 +6,7 @@
 import org.openqa.selenium.By;
 import org.openqa.selenium.WebDriver;
 import org.openqa.selenium.WebElement;
+import util.driver.DriverHelper;
 import util.driver.WebDriverFactory;
 import util.validator.ResponsiveUIValidator;
 
@@ -28,6 +29,7 @@ public void testThatResponsiveValidatorWorks() {
         WebDriverFactory driverFactory = new WebDriverFactory();
         driver = driverFactory.getDriver();
         driver.get("http:/visual.itarray.net");
+        driver.manage().window().maximize();
 
         TestPage page = new TestPage(driver);
 
@@ -100,6 +102,19 @@ public void testThatResponsiveValidatorWorks() {
             softly.assertThat(success).isEqualTo(true).overridingErrorMessage("Failed validation of Grid in a list");
         }
 
+        int[] zoomRange = {50, 70, 100, 120, 150};
+
+        for (int val : zoomRange) {
+            DriverHelper.zoomInOutPage(driver, val);
+            boolean success = uiValidator.init("Validate on page zoom " + val + "%")
+                    .findElement(page.mainContainer(), "Main container")
+                    .equalLeftRightOffset()
+                    .drawMap()
+                    .validate();
+
+            softly.assertThat(success).isEqualTo(true).overridingErrorMessage("Failed validation of Container");
+        }
+
         uiValidator.generateReport("Home Page");
 
         softly.assertAll();