diff --git a/src/web/client/license_timer.html b/src/web/client/license_timer.html
index 72970b7..2297bb9 100644
--- a/src/web/client/license_timer.html
+++ b/src/web/client/license_timer.html
@@ -203,11 +203,11 @@
 				<table class="table text-center">
 					<thead class="thead-light">
 					<tr>
-						<th scope="col">#</th>
-						<th scope="col">IE (MS)</th>
-						<th scope="col">Edge (MS)</th>
-						<th scope="col">Chrome (구글)</th>
-						<th scope="col">Firefox, Safari, ...</th>
+						<th class="align-middle" scope="col">#</th>
+						<th class="align-middle" scope="col">IE (MS)</th>
+						<th class="align-middle" scope="col">Edge (MS)</th>
+						<th class="align-middle" scope="col">Chrome (구글)</th>
+						<th class="align-middle" scope="col">Firefox, Safari, ...</th>
 					</tr>
 					</thead>
 					<tbody>