<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org"
      xmlns:sec="http://www.thymeleaf.org/thymeleaf-extras-springsecurity4">
<head>
    <meta charset="UTF-8"/>
    <title>Fragment Header</title>


    <div th:fragment="public-css">
        <link rel="stylesheet" href="../../public/bootstrap/css/bootstrap.min.css"
              th:href="@{/bootstrap/css/bootstrap.min.css}"/>
    </div>

</head>
<body>

<div th:fragment="public-header">
    <nav class="navbar navbar-default navbar-static-top">
     