how to remove the post block

@furixo

add this in custom CSS

.large-8, #primary, .featured-content .entry-header .entry-header-column, .featured-content article {
width: 66.66667%;
display: none;
}

One more query. Pl, help me. I want to make my post like this below link. Pl look

https://www.islamicfinder.org/hadith/ibn-majah/mosques-and-the-congregations/

I want to make some quotes post in a separate block. (Pl checks above link like 735, 736, 737 & on….) How can I do it? Many thanks in advance.