ASP Bootstrap on Site.Master and Site.Mobile.Master

Hi

I thought that bootstrap would be reference in one page on my ASP.net site but there are two separate sets of references. The first is for my site.mobile.master and the second is for my site.master - why would this be

    <link href="Content/assets/libs/admin-resources/jquery.vectormap/jquery-jvectormap-1.2.2.css" rel="stylesheet" type="text/css" />
    <!-- App css -->
    <link href="Content/assets/css/bootstrap.min.css" rel="stylesheet" type="text/css" />
    <link href="Content/assets/css/app.min.css" rel="stylesheet" type="text/css" />
    <!-- icons -->
    <link href="Content/assets/css/icons.min.css" rel="stylesheet" type="text/css" />
    <link href="Content/assets/libs/summernote/summernote-bs4.min.css" rel="stylesheet" type="text/css"/>
    

        <link href="Content/assets/libs/datatables.net-bs4/css/dataTables.bootstrap4.min.css" rel="stylesheet" type="text/css" />
        <link href="Content/assets/libs/datatables.net-responsive-bs4/css/responsive.bootstrap4.min.css" rel="stylesheet" type="text/css" />
        <link href="Content/assets/libs/datatables.net-buttons-bs4/css/buttons.bootstrap4.min.css" rel="stylesheet" type="text/css" />
        <link href="Content/assets/libs/datatables.net-select-bs4/css//select.bootstrap4.min.css" rel="stylesheet" type="text/css" />

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    <link href="Content/assets/libs/admin-resources/jquery.vectormap/jquery-jvectormap-1.2.2.css" rel="stylesheet" type="text/css" />
    <!-- App css -->
    <link href="Content/assets/css/bootstrap.min.css" rel="stylesheet" type="text/css" />
    <link href="Content/assets/css/app.min.css" rel="stylesheet" type="text/css" />
    <!-- icons -->
    <link href="Content/assets/css/icons.min.css" rel="stylesheet" type="text/css" />
    <link href="Content/assets/libs/summernote/summernote-bs4.min.css" rel="stylesheet" type="text/css"/>
    

        <link href="Content/assets/libs/datatables.net-bs4/css/dataTables.bootstrap4.min.css" rel="stylesheet" type="text/css" />
        <link href="Content/assets/libs/datatables.net-responsive-bs4/css/responsive.bootstrap4.min.css" rel="stylesheet" type="text/css" />
        <link href="Content/assets/libs/datatables.net-buttons-bs4/css/buttons.bootstrap4.min.css" rel="stylesheet" type="text/css" />
        <link href="Content/assets/libs/datatables.net-select-bs4/css//select.bootstrap4.min.css" rel="stylesheet" type="text/css" />

Select allOpen in new window