Hi,
Thanks for contacting us and choosing our product!
Sorry but your topic come to draft and we can’t see it.
1. To change Page Title image please go to Theme Options -> WordPress settings -> Page Title Background Image:
https://gyazo.com/79331639f6e14bd5cdaf7a88b4677aa1
You can change of Single, Page, & Archive general settings here.
In each Post or page you can edit them and scroll to Page Options at bottom and select Page Title -> Background Image like this:
https://gyazo.com/e6bd9f5731cae11a5e39f892ae5f6ce9
2. To change Blog style you can go to Theme Options -> WordPress settings -> Archive Settings.
3. To center image featured with No Sidebar layout please go to Appearance -> Customize -> Additional CSS & add this code:
.post-meta-wrapper {
text-align: center;
}
.single-content .single-wrapper article .post-thumbnail-wrapper {
display: flex;
justify-content: center;
}
Hope this helps!
****
Regards,
HaruTheme