1,2) That is great thank you for letting us know.
3)

.menu-icon i:before {
    color: red;
}

4,5) Have you cleared cache?
6) You need to change small-close.png.
Navigation text can be changed via translation – https://youtu.be/1E5L9MyQ7W4 create English translation for Legenda theme, change strings, and disable the plugin.
Changing to Logo requests additional customization in files. Additional customization is not included in theme support.
7) Unfortunately, there is no such possibility for Mega menu. But you can try to change Menu Design > Dropdown.

Regards

You’re welcome!

Regards

Hello,

There is no option to enable popup only for home page.

Regards

Hello,

Theme Options > Styling > Header transparent > Off.
And add this code in Global custom css:

.header-wrapper {
    opacity: 0.4;
}

Top bar background you can change in Theme Options > Header Settings > Top bar.

Regards

Hello,

Try to enable WP debug mode https://codex.wordpress.org/WP_DEBUG to find out what error appears on your site, it will point you in the right direction what needs to be fixed.
Let us know the result and provide FTP access (FTP hostname, FTP username, FTP password).

Regards

Hello,

1) //facebook/int_callback/ – https://www.8theme.com/documentation/xstore/troubleshooting/facebook-login/
Also, check if file_get_contents() function is enabled in the server configuration and increase max input vars limit on your server to 3000.
Reply back after these actions and provide admin panel and FTP access to your site it FB login still does not work.
2) You can add this code in Theme Options > Custom css > Global custom css:

.et-facebook-login-wrapper {
    text-align:  left;
    position:  absolute;
    bottom: 0;
}
@media only screen and (max-width: 991px) {
    .et-facebook-login-wrapper {
        bottom: -9%;
    }
}
@media only screen and (max-width: 480px) {
    .et-facebook-login-wrapper {
        bottom: -5%;
    }
}

Regards

Hello,

1) Theme Options > Header > Header border bottom > On and select Header border color + Theme Options > Header Layout > Header banner position > Above header.
2) Theme Options > Single product page > Tabs Settings > Custom Tab Title and Custom tab content or via [8theme] Product Options on a separate product page.
3) Please watch this video – https://youtu.be/XO-PDvhPypc

Regards

You’re welcome!

Regards

You’re welcome!
Would you mind to rate our product: 
https://themeforest.net/downloads
That would be much appreciated 🙂

Regards

Hello,

Thanks for contacting us.
Please provide our site URL and temporary wp-admin access in Private Content area.

Regards

Oh, I see. Please add this custom css code:

.product-information-inner .woocommerce-de_price_taxrate {
    border: none !important;
}

Regards

Please check your site now. We’ve uninstalled some of the plugins that come bundled with our theme but are not required. Please read the description before activation any plugin to be sure that it is really required on your site – https://www.8theme.com/documentation/xstore/plugins/included-plugins/
Also, we’ve installed W3 Total Cache plugin that will help to speed up your site and updated some of plugins.

Regards

You’re welcome!

Regards

I am glad that you sorted out.

Regards

Hello,

I am glad that you sorted out.
Have a nice day.

Regards