{% assign base = ''
%}{% assign depth = page.url | split: '/' | size | minus: 1
%}{% if depth < 1
%}{% assign base = '.'
%}{% elsif depth == 1
%}{% assign base = '..'
%}{% elsif depth == 2
%}{% assign base = '../..'
%}{% elsif depth == 3
%}{% assign base = '../../..'
%}{% elsif depth == 4
%}{% assign base = '../../..'
%}{% endif
%}