html - Making background-image page specfic -

i'm using squarespace platform website, , trying change background image of homepage, after searching forums , viewing source code of website told id #collection-51648018e4b0d7daf0a7cece work alter homepage, when code

#collection-51648018e4b0d7daf0a7cece {   background-image: url('image-location.png'); } 

is added nothing happens, using code

#navigator {   background-image: url('image-location.png'); } 

it change, applies of pages. know work-around this? i've submitted ticket squarespace no @ all. also, please realize cannot alter actual code of website because squarespace. can add custom css or inject code < head> tags

thanks!

make #navigator selector specific homepage:

#collection-51648018e4b0d7daf0a7cece #navigator {   background-image: url('image-location.png'); } 

edit: based on code, want this:

#collection-51648018e4b0d7daf0a7cece #navigator {   background: #fff url('image-location.png') scroll no-repeat top right; }