dashboard-core/theme/dbd-soft-ui/views/partials/preload.ejs

<style>
	@media all and (min-width: 0px) and (max-width: 600px) {
		.responsive {
			width: calc(100vw - 30px)
		}
	}

	@media all and (min-width: 0px) and (max-width: 590px) {
		.responsive {
			margin-top: calc(100vh / 4) !important;
		}
	}

	.preloader {
		position: fixed;
		top: 0;
		left: 0;
		bottom: 0;
		right: 0;
		width: 100%;
		height: 100vh;
		z-index: 99999999;
		background-repeat: no-repeat;
		background-image: none;
		background-color: #FFF;
		background-position: center;
	}

	#scroll {
		height: 100% !important;
		/* overflow: hidden; */
	}
</style>

<div class="preloader">
	<div class="progress-wrapper">
		<div id="progress-bar" class="progress">
			<div id="progress" class="progress-bar bg-gradient-primary" role="progressbar" aria-valuenow="60"
				 aria-valuemin="0" aria-valuemax="100" style="width: 0%;"></div>
		</div>
	</div>
	<% if(themeConfig.preloader){ %>
		<% if(themeConfig.preloader.image) { %>
			<% if(!themeConfig.preloader.spinner) { %>
				<div class="loader">
					<img class="responsive preloader-image" src="<%- themeConfig.preloader.image %>" alt=""
						 style="border-radius: 5%; display: block; margin-left: auto; margin-right: auto; margin-top: calc(100vh / 5.8);">
				</div>
			<% } %>
		<% } %>
		<% if(themeConfig.preloader.text){ %>
			<br>
			<div style="text-align: center;<% if(themeConfig.preloader.spinner) { %>margin-top: calc(100vh / 2.7);<% } %>">
				<h1 class="font-weight-bolder text-primary text-gradient"><%- req?.locales?.partials?.preloader?.text %></h1>
				<% if(themeConfig.preloader.spinner) { %>

					<div style="transform: scale(3); padding-top: 30px;">
						<div style="text-align: center; " class="spinner-border text-primary text-gradient"
							 role="status">
							<span class="visually-hidden">Loading...</span>
						</div>
					</div>
				<% } %>
			</div>
		<% } %>
	<% } %>
</div>