Refactor social login button styles and update text for Facebook login

- Updated CSS for social login buttons to improve layout and hover effects.
- Changed the text for the Facebook login button from "Sign in with Facebook" to "Zaloguj się za pomocą Facebook" for localization.
- Adjusted JavaScript to reflect the new button text.

modules/leoquicklogin/views/templates/front/sociallogin_form.tpl

@@ -1,4 +1,4 @@
-{* 
+{*
 * @Module Name: Leo Quick Login
 * @Website: leotheme.com.com - prestashop template provider
 * @author Leotheme <leotheme@gmail.com>
@@ -13,8 +13,8 @@
 		<!--
 		<div class="fb-login-button" data-max-rows="1" data-size="large" data-button-type="login_with" data-show-faces="false" data-auto-logout-link="false" data-use-continue-as="false" scope="public_profile,email" onlogin="checkLoginState();"></div>
 		-->
-		<button class="btn social-login-bt facebook-login-bt" onclick="doFbLogin();"><span class="fa fa-facebook"></span>{if $show_button_text}{l s='Sign in with Facebook' mod='leoquicklogin'}{/if}</button>
-		
+		<button class="btn social-login-bt facebook-login-bt" onclick="doFbLogin();"><span class="fa fa-facebook"></span>{if $show_button_text}{l s='Zaloguj się za pomocą Facebook' mod='leoquicklogin'}{/if}</button>
+
 	{/if}
 	<!--
 		<div class="g-signin2" data-scope="profile email" data-longtitle="true" data-theme="dark" data-onsuccess="googleSignIn" data-onfailure="googleFail"></div>