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As we already replied on other topic, your site now display phpmyadmin and we can’t check it. 1. The sticky header you said but it’s not sticky header. When you scroll down it will be sticky header. Now it Menu hover effect, You can turn off it in Theme Options -> Header -> Navigation -> Header On Slideshow Hover Effect: https://prnt.sc/uqp1ip
If it doesn’t work please check Page Options: https://harutheme.com/forums/topic/why-theme-options-doesnt-apply-changes/
2. To change Page Title background image please go to Theme Options -> WordPress settings -> Page Settings -> Page Title Background: https://prnt.sc/uqpd28
If you want to change it for each page you need to Edit page then go to Page Options -> Page Title at bottom of page you are editing.
The text is breadcrumbs and it auto use Custom Posttypes Name or Page name. Do you want to use other string or translate it?