 
 <!-- bast.html -->
<!DOCTYPE html>
<html lang="en">
{% include 'head.html' %}
<body>
    {% include 'header.html' %}
    <!-- hr:구분선 -->
    <hr>
    {% block content %}
    {% endblock %}
    <hr>
    {% include 'footer.html' %}
</body>
</html>
<!-- header.html -->
<div style="text-align:center; margin-bottom: 2rem;">
    <div>
        <h1>Pragmatic</h1>
    </div>
    <div>
        <span>nav1</span>
        <span>nav2</span>
        <span>nav3</span>
        <span>nav4</span>
    </div>
</div>
<!-- footer.html -->
<div style="text-align:center; margin-top: 2rem;">
    <div style="font-size: .6rem">
        <span>공지사항</span> |
        <span>서비스 소개</span>
    </div>
    <div style="margin-top: 1rem;">
        <h6 style="margin-top: 1rem;">Pragmatic</h6>
    </div>
</div>

bootstrap 적용
- bootstrap 홈페이지에서 CSS링크 복사

head.html에 복사
<!-- head.html -->
<head>
    <meta charset="UTF-8">
    <title>Pragmatic</title>
    
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-1BmE4kWBq78iYhFldvKuhfTAU6auU8tT94WrHftjDbrCEXSU1oBoqyl2QvZ6jIW3" crossorigin="anonymous">
</head>
폰트적용

링크 복사 후 head에 삽입
<!-- head.html -->
<head>
    <meta charset="UTF-8">
    <title>Pragmatic</title>
    <!-- boostrap link -->
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" rel="stylesheet"
          integrity="sha384-1BmE4kWBq78iYhFldvKuhfTAU6auU8tT94WrHftjDbrCEXSU1oBoqyl2QvZ6jIW3" crossorigin="anonymous">
    <!-- googlefont -->
    <link rel="preconnect" href="https://fonts.googleapis.com">
    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
    <link href="https://fonts.googleapis.com/css2?family=Gamja+Flower&display=swap" rel="stylesheet">
</head>
<!-- header.html -->
<div style="text-align:center; margin: 2rem 0; font-family: 'Gamja Flower', cursive;">
    <div>
        <h1>Pragmatic</h1>
    </div>
    <div>
        <span>nav1</span>
        <span>nav2</span>
        <span>nav3</span>
        <span>nav4</span>
    </div>
</div>