I'm looking at your trial version. I went to Export to find what goes with the site. I was under the impression that your software would generate "Clean Code". And there are 5 CSS files that will be uploaded. One of these, called "Main" has the essential coding. What are the other 4? One is a very heavy, very long and dense file that seems full of nonsense: coffeegrinder.min.css
Please tell me how these are needed, and how they contribute to a clean coded site.
thanx
Exporting
The code is very clean. Not sure why you have the impression that it is "dirty".... 
The framework. These files are also compressed. If you look into the exported folder, we also generate non-compressed versions if you prefer those instead.
The primary CSS file:
This JavaScript is used for making the images responsive:
This is for JQuery:

The framework. These files are also compressed. If you look into the exported folder, we also generate non-compressed versions if you prefer those instead.
<link rel="stylesheet" href="css/coffeegrinder.min.css">
<link rel="stylesheet" href="css/wireframe-theme.min.css">
<link rel="stylesheet" href="css/wireframe-theme.min.css">
The primary CSS file:
<link rel="stylesheet" href="css/main.css">
This JavaScript is used for making the images responsive:
<script src="js/picturefill.min.js" class="picturefill" async="async"></script>
This is for JQuery:
<script src="js/jquery-1.11.0.min.js"></script>
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