To manage the advanced search colors navigate to Theme Options > Search > Advanced search Colors and locate the panel below on which you have the following options:

1. Advanced Search Background Color

The background will apply to the search form displayed over the header on float position.

Help article for advanced search form display

2. Advanced Search Background color Opacity

Type values between 0 -invisible and 1 – fully visible.

The opacity will apply to the search form displayed over the header on float position.

3. Advanced Search Font Color

The color setup for this option will apply for price slider text and features and amenities if it were enabled for the search form.

Help article for how to setup price slider on the search form

Help article for how to set up features and amenities on the search form

4. Advanced Search Button Background Color

The color here will apply for the Search button in the Advanced Search form

5. Tab Font Color in Advanced Search

Applies to non active tabs with Search type 6 and 8.

6. Tab Background Color in Advanced Search

Applies to non active tabs with Search type 6 and 8.

https://help.wpresidence.net/article/1-18-advanced-search-type-6/

7. Advanced Search Hover Font Color

Applies to all forms, dropdowns and input search fields

8. Advanced Search Hover Background Color

Applies to all forms, dropdowns and input search fields