@{
    ViewData["Title"] = "Update";
    Layout = "~/Views/Shared/_NothingLayout.cshtml";
}

<div style="    margin-top: calc(30%);">
    <img src="~/img/upgrading.jpeg" style="    max-width: 100%;"/>
    <h1 style="text-align:center; color: red;">The system is Updating ...</h1>
</div>