hestiacp/web/templates/includes/css.html

<link rel="icon" href="/images/favicon.ico" type="image/x-icon">
<link type="text/css" rel="stylesheet" href="/css/themes/default.min.css?<?=JS_LATEST_UPDATE?>" rel="preload" />
<?php 
	if (!empty($_SESSION['userTheme'])) {
		$selected_theme = $_SESSION['userTheme']; 
	} else {
		$selected_theme = $_SESSION['THEME'];
	} 
?>
<!-- Load custom theme -->
<?php if ($selectedTheme !== 'default') {?>
  <!-- Load HestiaCP-shipped themes (minified, updated/overwritten with updates) - ($HESTIA/web/css/themes/*.min.css) -->
  <link type="text/css" rel="stylesheet" href="/css/themes/<?=$selected_theme; ?>.min.css?<?=rand(); ?>" rel="preload" />
  <!-- Load custom theme files ($HESTIA/web/css/themes/custom/*.css) -->
  <link type="text/css" rel="stylesheet" href="/css/themes/custom/<?=$selected_theme; ?>.css?<?=rand(); ?>" rel="preload" />
<?php } ?>
<link type="text/css" href="/css/dependencies/animate.min.css?<?=JS_LATEST_UPDATE?>" rel="stylesheet" rel="preload" />
<link type="text/css" href="/css/dependencies/jquery-custom-dialogs.css?<?=JS_LATEST_UPDATE?>" rel="stylesheet" rel="preload" />
<link type="text/css" href="/css/dependencies/fontawesome.min.css?<?=JS_LATEST_UPDATE?>" rel="stylesheet" rel="preload" />