Change "core/templates/layout.base.php"
<!DOCTYPE html><html class="ng-csp"><head><title>php p($theme->getTitle()); ?>
print_unescaped(image_path('', 'favicon.png')); ?>" />
print_unescaped(image_path('', 'favicon-touch.png')); ?>" />
foreach ($_['cssfiles'] as $cssfile): ?>
print_unescaped($cssfile); ?>" type="text/css" media="screen" />
endforeach; ?>
foreach ($_['jsfiles'] as $jsfile): ?>
endforeach; ?>
foreach ($_['headers'] as $header): ?>
print_unescaped('<'.$header['tag'].' ');
foreach ($header['attributes'] as $name => $value) {
print_unescaped("$name='$value' ");
};
print_unescaped('/>');
?>
endforeach; ?>
print_unescaped($_['content']); ?>
