Revenue Submission UI 10 (updated) html file, November 10, 2018.
VS
data-import.html
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Changes:
-----------------------

Folder:
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fonts : Unchanged
images: chi-upload.svg (added icon)
js : Unchanged

styles:
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Changed files:
-> dataimport.scss ( new file)
-> calendar.scss 
-> global.scss 
-> icons.scss 
-> app.scss (added dataimport.scss)

Unchanged files:
-> variables.scss 
-> submissions.scss (submission-ui10 (change))
-> roomforcasting.scss 
-> mixins.scss 
-> mapping.scss 
-> button.scss 
-> table.scss 
-> useraccess.scss 
-> impact-dates.scss 
-> login.scss 
-> rollup-pace-report.scss
-> rooms-pace-report.scss
-> rooms-trend-report.scss 
-> usermanagement.scss 
-> bi-attributes-component.scss 
-> forecast-workbench.scss 
-> management-area-common.scss 
-> marsusergrid.scss 
-> search-box.scss 

HTML:
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data-import.html
-----------------------

html & js   -   Please check html and js in html file.
scss        -   Please check scss code (data-import.scss).

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PS.  Submission UI 10 isn't uploaded on asana. I've compared Data Import scss file with Submission UI 10 scss file. 
Please inform me if you need further information.