style : footer 수정

src/main/webapp/WEB-INF/jsp/framework/layouts/tiles/biz/footer.jsp

@@ -1,10 +1,15 @@
 <%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
 
-<footer>
-    <div class="link-box">
-        <a href=#none>필요한 주소1</a> | 
-        <a href=#none>필요한 주소2</a> | 
-        <a href=#none>필요한 주소3</a>
+<footer class="content-footer footer bg-light">
+    <div class="container-fluid d-flex flex-md-row flex-column justify-content-between align-items-md-center gap-1 py-3">
+        <div class="footer-text fw-bolder">
+            <a class="footer-text fw-bolder">COPYRIGHT 2021 BY COMPANY NAME CO.LTD. ALL RIGHTS RESERVED.</a>
+        </div>
+        <div>
+            <a href="javascript:void(0)" class="footer-link me-4" target="_blank">국민신문고</a>
+            <a href="javascript:void(0)" class="footer-link me-4">외부1</a>
+            <a href="javascript:void(0)" class="footer-link me-4">외부2</a>
+            <a href="javascript:void(0)" class="footer-link">외부3</a>
+        </div>
     </div>
-    COPYRIGHT 2021 BY COMPANY NAME CO.LTD. ALL RIGHTS RESERVED.
 </footer>