Require.js

HTML

<script src="https://rawgithub.com/rniemeyer/knockout-amd-helpers/master/ext/require/require.js"></script>

CSS

html, body, iframe {
    height: 100%;
    width: 100%;
}

JavaScript

define("m1", function(require) {
    require("css!/css/screen");
    require("css!/css/screen");
    require("css!/css/screen");
    require("css!/css/screen");
    require("css!/css/screen");
    require("css!/css/screen");
    require("css!/css/screen");
    require("css!/css/screen");
    require("css!/css/screen");
    require("css!/css/screen");  
    require("css!/css/screen");
    require("css!/css/screen");
    require("css!/css/screen");
    require("css!/css/screen");
    require("css!/css/screen");
    require("css!/css/screen");
    require("css!/css/screen");
    require("css!/css/screen");
    require("css!/css/screen");
    require("css!/css/screen");  
    require("css!/css/screen");
    require("css!/css/screen");
    require("css!/css/screen");
    require("css!/css/screen");
    require("css!/css/screen");
    require("css!/css/screen");
    require("css!/css/screen");
    require("css!/css/screen");
    require("css!/css/screen");
    require("css!/css/screen");  
    require("css!/css/screen");
    require("css!/css/screen");
    require("css!/css/screen");
    require("css!/css/screen");
    require("css!/css/screen");
    require("css!/css/screen");
    require("css!/css/screen");
    require("css!/css/screen");
    require("css!/css/screen");
    require("css!/css/screen");
    require("css!/css/light");
    return {
        name: 123 
    };
});


require.config({
    paths: {
        "css": "https://rawgit.com/guybedford/require-css/master/css",
        "knockout": "http://knockoutjs.com/downloads/knockout-2.2.1",
        "knockout-amd-helpers": "https://rawgithub.com/rniemeyer/knockout-amd-helpers/master/build/knockout-amd-helpers",
        "text": "https://rawgithub.com/rniemeyer/knockout-amd-helpers/master/ext/require/text"
    }
});

require(["m1"], function() {
     require("css!/css/screen");
    require("css!/css/screen");
    require("css!/css/screen");
    require("css!/css/screen");
    require("css!/css/screen");
   ...