Update item.js

Change dependency 'get-style-property' to 'desandro-get-style-property' as the upstream did. 
See: https://github.com/desandro/get-style-property/commit/b08646a617fd91a2f4bc7c7d0e43bf3388d46691
use desandro-get-style-property from npm
Merge branch 'toksea-patch-2'