单页应用加载css-loader

<%@ Page Title="" Language="C#" MasterPageFile="~/Layouts/Base.Master" AutoEventWireup="true" CodeBehind="ShippingManifestDetail.aspx.cs" Inherits="PKI.eBusiness.Web.PDF.ShippingManifestDetail" %>

<asp:Content ID="Content1" ContentPlaceHolderID="head" runat="server">
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="pageContent" runat="server">
    <link rel="stylesheet" href="../Resources/CSS/css-loader.css">
    <div id="root">
        <div data-text="Loading..." class="loader loader-default is-active"></div>
    </div>
    <script type="text/javascript" src="http://localhost:8080/shippingManifestVendor.bundle.js"></script> 
    <script type="text/javascript" src="http://localhost:8080/manifest.bundle.js"></script>
</asp:Content>

gitHub 地址
https://www.npmjs.com/package/pure-css-loader