And you can change breadcrumb and color for header in this layout by run the command gulp nunjucks --layout default --beadcrumb * --color *
<!DOCTYPE html>
<html lang="en">
<head>
<title>{{title}} | Rare admin</title>
<!--Start common styles-->
{% include "partials/head.html" %}
<!--End common styles-->
<!--Start page styles-->
{% block header_styles %}{% endblock %}
<link type="text/css" rel="stylesheet" href="css/pages/layout3.css" />
<!--End page styles-->
</head>
<body class="centered_logo">
<!--Start centered logo header-->
{% include "partials/center_logo_header.html" %}
<!--End centered logo header-->
<!--Start Wrapper-->
<div class="wrapper">
<!--Start leftmenu-->
{% include "partials/leftmenu.html" %}
<!--End left menu-->
<div class="right-aside view-port-height">
<!--Start breadcrumb-->
{% include "macros/breadcrumb.html" %}
<!--End breadcrumb-->
<!--Start block content-->
{% block content %}{% endblock %}
<!--End block content-->
</div>
</div>
<!--End wrapper-->
<!--Start footer-->
{% include "partials/footer.html" %}
<!--End footer-->
<!--Start centered logo common scripts-->
{% include "partials/end.html" %}
<script type="text/javascript" src="vendors/echarts/js/echarts.min.js"></script>
<script type="text/javascript" src="vendors/jquery_easy_ticker/js/jquery.easy-ticker.js"></script>
<script type="text/javascript" src="src/js/pages/layout3.js"></script>
<!--End centered logo common scripts-->
<!--Start footer scripts-->
{% block footer_scripts %}{% endblock %}
<!--End footer scripts-->
</body>
</html>
