diff --git a/app/src/main/java/com/android/sebiya/net/sample/SocialApiSelectDialog.java b/app/src/main/java/com/android/sebiya/net/sample/SocialApiSelectDialog.java
index 9a29e2c..db57098 100644
--- a/app/src/main/java/com/android/sebiya/net/sample/SocialApiSelectDialog.java
+++ b/app/src/main/java/com/android/sebiya/net/sample/SocialApiSelectDialog.java
@@ -55,6 +55,7 @@ public void onItemClick(final View view, final int i) {
                             InstagramLogin.with(getFragmentManager())
                                     .withStartUrl("https://www.instagram.com/accounts/login/")
                                     .withFullScreenMode(true)
+                                    .withFullScreenStyle(R.style.AppTheme_FullScreenDialog)
                                     .withClientInfo(InstagramClientInfo.CLIENT_ID,
                                             InstagramClientInfo.REDIRECT_URI)
 //                                    .withMinWidth(getActivity().getWindowManager().getDefaultDisplay().getWidth())
diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
index 545b9c6..e619468 100644
--- a/app/src/main/res/values/styles.xml
+++ b/app/src/main/res/values/styles.xml
@@ -16,5 +16,10 @@
     <style name="AppTheme.AppBarOverlay" parent="ThemeOverlay.AppCompat.Dark.ActionBar" />
 
     <style name="AppTheme.PopupOverlay" parent="ThemeOverlay.AppCompat.Light" />
+    
+    <style name="AppTheme.FullScreenDialog" parent="Theme.AppCompat.Dialog">
+        <item name="android:windowIsFloating">false</item>
+        <item name="android:windowBackground">@android:color/white</item>
+    </style>
 
 </resources>
diff --git a/library/src/main/java/com/android/sebiya/net/social/AuthDialogFragment.java b/library/src/main/java/com/android/sebiya/net/social/AuthDialogFragment.java
index b90c8e3..dcc9f5e 100644
--- a/library/src/main/java/com/android/sebiya/net/social/AuthDialogFragment.java
+++ b/library/src/main/java/com/android/sebiya/net/social/AuthDialogFragment.java
@@ -73,10 +73,10 @@ public void onReceiveValue(final Boolean value) {
             }
         });
         instance.flush();
-        webView.getSettings().setUseWideViewPort(true);
         webView.getSettings().setTextZoom(100);
         webView.getSettings().setJavaScriptEnabled(true);
         webView.setBackgroundColor(-1);
+
         webView.setWebViewClient(new WebViewClient() {
             public void onPageFinished(WebView webView, String str) {
                 super.onPageFinished(webView, str);
@@ -90,6 +90,7 @@ public boolean shouldOverrideUrlLoading(WebView webView, String url) {
                 return super.shouldOverrideUrlLoading(webView, url);
             }
         });
+
         webView.setOnKeyListener(new OnKeyListener() {
             @Override
             public boolean onKey(final View v, final int keyCode, final KeyEvent event) {
diff --git a/library/src/main/java/com/android/sebiya/net/social/instagram/InstagramAuthDialogFragment.java b/library/src/main/java/com/android/sebiya/net/social/instagram/InstagramAuthDialogFragment.java
index f39c35f..85e7aef 100644
--- a/library/src/main/java/com/android/sebiya/net/social/instagram/InstagramAuthDialogFragment.java
+++ b/library/src/main/java/com/android/sebiya/net/social/instagram/InstagramAuthDialogFragment.java
@@ -3,6 +3,8 @@
 import android.net.Uri;
 import android.os.Bundle;
 import android.support.annotation.Nullable;
+import android.support.annotation.StyleRes;
+import android.support.v4.app.DialogFragment;
 import android.support.v4.app.FragmentManager;
 import android.text.TextUtils;
 import android.util.Log;
@@ -27,6 +29,8 @@ public class InstagramAuthDialogFragment extends AuthDialogFragment<String> {
 
     private static final String EXTRA_FULL_SCREEN_MODE = "full_screen_mode";
 
+    private static final String EXTRA_FULL_SCREEN_STYLE_RES = "full_screen_style_res";
+
     private String mClientId;
 
     private String mRedirectUrl;
@@ -47,6 +51,7 @@ public static InstagramAuthDialogFragment show(FragmentManager fragmentManager,
         args.putInt(ARGS_HEIGHT, builder.minHeight);
         args.putString(EXTRA_START_URL, builder.startUrl);
         args.putBoolean(EXTRA_FULL_SCREEN_MODE, builder.fullScreenMode);
+        args.putInt(EXTRA_FULL_SCREEN_STYLE_RES, builder.fullScreenStyle);
         newDialog.setArguments(args);
         newDialog.show(fragmentManager, "auth");
         return newDialog;
@@ -79,6 +84,12 @@ public void onCreate(@Nullable final Bundle savedInstanceState) {
         mRedirectUrl = getArguments().getString(EXTRA_REDIRECT_URL);
         mStartUrl = getArguments().getString(EXTRA_START_URL);
         mFullScreenMode = getArguments().getBoolean(EXTRA_FULL_SCREEN_MODE);
+        if (mFullScreenMode) {
+            @StyleRes int fullScreenStyle = getArguments().getInt(EXTRA_FULL_SCREEN_STYLE_RES);
+            if (fullScreenStyle != -1) {
+                setStyle(DialogFragment.STYLE_NORMAL, fullScreenStyle);
+            }
+        }
     }
 
     @Override
@@ -116,6 +127,11 @@ protected boolean shouldOverrideUrlLoading(final WebView webView, final String u
         if (url == null) {
             return false;
         }
+        if (url.startsWith("https://www.facebook.com")) {
+            String newUrl = url.replace("www.facebook.com", "m.facebook.com");
+            webView.loadUrl(newUrl);
+            return true;
+        }
         Uri uri = Uri.parse(url);
         if (uri.getPathSegments().isEmpty()) {
             Log.i(LOG_TAG, "shouldOverrideUrlLoading. instagram home page.");
diff --git a/library/src/main/java/com/android/sebiya/net/social/instagram/InstagramLogin.java b/library/src/main/java/com/android/sebiya/net/social/instagram/InstagramLogin.java
index 79cad5d..a721831 100644
--- a/library/src/main/java/com/android/sebiya/net/social/instagram/InstagramLogin.java
+++ b/library/src/main/java/com/android/sebiya/net/social/instagram/InstagramLogin.java
@@ -1,5 +1,6 @@
 package com.android.sebiya.net.social.instagram;
 
+import android.support.annotation.StyleRes;
 import android.support.v4.app.DialogFragment;
 import android.support.v4.app.FragmentManager;
 import com.android.sebiya.net.social.AuthCallbacks;
@@ -26,6 +27,8 @@ public static class Builder {
 
         boolean fullScreenMode;
 
+        @StyleRes int fullScreenStyle = -1;
+
         private AuthCallbacks<String> authCallback;
 
         private Builder(FragmentManager fragmentManager) {
@@ -58,6 +61,11 @@ public Builder withFullScreenMode(boolean fullScreenMode) {
             return this;
         }
 
+        public Builder withFullScreenStyle(@StyleRes int styleRes) {
+            fullScreenStyle = styleRes;
+            return this;
+        }
+
         public DialogFragment show() {
             return InstagramAuthDialogFragment.show(fragmentManager, this);
         }