Find the relative path using CSS -

i'm following tutorial of responsive website using jekyll. i'm working on header , i'm trying use image background of header, i'm having problem find relative path image.

this path of image in computer: /users/carolecarlos/pictures/60h.png

and path of folder i'm saving project: /users/carolecarlos/desktop/devtips-starter-kit-jekyll-starter-kit

i'm using following code set image background using sass:

header {   height: 450px;   background: url(../pictures/60h.png); } 

but not work. i've tried paths don't know i'm doing wrong can't find image. i'm using expresso text editor.

i know not hard thing solve, i've been trying make work while now, , can't figure out.

you need go 2 directories below code. ../ filler each directory level in relative paths.

header {   height: 450px;   background: url(../../pictures/60h.png); }