Hello @ckbioffice,

To make the icon display in the top header please replace the CSS you have pasted with the CSS given below.

.construction_base_widget_social ul li a[href*="houzz.com"]::before {
    content: '\f27c';
}

Hope this helps.

Best Regards!!

Hello @ckbioffice,

Glad that your issues are resolved.

If you have any issues further, please let us know.

We would also really appreciate if you could help us by rating our theme by following the link given below:

https://wordpress.org/support/theme/nature-bliss/reviews/

Thank you.

Best Regards!!