How do I hide content on specific page using CSS

Question

I need to hide a post widget, below css isn't working??

body .postid-6074 .widget_its-single- 
post { 
display: none; 
}

Answer 1

you can add a class in the body tag that represents that page

body.page-name .postid-6074 .widget_its-single- 
post { 
display: none; 
}

like this, It will solve your problem