Fix: admin CSS -> BootStrap, register, upgrade page

src/web/admin/admin_header.html

@@ -21,37 +21,20 @@
 </style>
 
 
-<div class="container">
 
-	<span class="home">
-		<span class="col">
-			<a id="login_maestro" class="btn btn-orange" onClick="goHome()">마우스 타자 연습<br/>홈</a>
-		</span>
-	</span>
+<nav class="navbar navbar-expand-lg navbar-dark bg-dark py-3">
+	<div class="container">
 
-	<nav>
-		<ul class="header_menu">
-			<li>
-				<span class="col">
-					<a href="./../admin/admin_register_list.html" id="login_player" class="btn btn-rouge">계정 신청<br/>목록</a>
-				</span>
-			</li>
-			<li>
-				<span class="col">
-					<a href="./../admin/admin_upgrade_list.html" id="login_player" class="btn btn-rouge">계정 업그레이드<br/>목록</a>
-				</span>
-			</li>
-			<li>
-				<span class="col">
-					<a href="./../admin/admin_expiration_list.html" id="login_player" class="btn btn-rouge">종료 계정<br/>목록</a>
-				</span>
-			</li>
-			<li>
-				<span class="col">
-					<a href="./../admin/admin_send_email.html" id="login_maestro" class="btn btn-sea">전체 이메일<br/>보내기</a>
-				</span>
-			</li>
-		</ul>
-	</nav>
+		<div class="navbar-header">
+			<a class="navbar-brand" href="javascript:void(0);" onClick="goHome()" href="">초코마에 홈</a>
+		</div>
 
-</div>
+		<div class="eyebrow ml-auto mt-0 d-md-flex align-items-center">
+			<a class="btn btn-outline-warning btn-lg mr-2" href="./../admin/admin_register_list.html">등록 목록</a>
+			<a class="btn btn-outline-warning btn-lg mr-2" href="./../admin/admin_upgrade_list.html">업그레이드 목록</a>
+			<a class="btn btn-outline-warning btn-lg mr-2" href="./../admin/admin_expiration_list.html">만료 예정</a>
+			<a class="btn btn-primary btn-lg" href="./../admin/admin_send_email.html">이메일 발송</a>
+		</div>
+
+	</div> <!-- container -->
+</nav>