Problem with the front page and search

Hi

https://ristikoidenratkontatabletlaitteella.blog
I couldn’t define the raised page on top.
I tried to set according to some keyword
I tried to select another page

I couldn’t change the page

https://www.sanaristikkofoorumi.net/wordpress/

I tried to change that site using the same theme, but
I couldn’t change the palette as I could change in the another site; I would like to se the the same basic palette

The page I need help with: [log in to see the link]