diff --git a/public/assets/css/app.css b/public/assets/css/app.css
index b176260..d06a49a 100644
--- a/public/assets/css/app.css
+++ b/public/assets/css/app.css
@@ -212,11 +212,23 @@ tooltip tip-tip._small {
 
 .adsbygoogle-container .adsbygoogle {
 	display: block;
-	height: 600px;
 	position: relative;
 	background-color: #f8f8f8;
 }
 
+main .options .adsbygoogle-container {
+	margin-top: -1rem;
+	margin-bottom: 1rem;
+}
+
+main .options .adsbygoogle-container .adsbygoogle {
+	height: 100px;
+}
+
+main .sidebar .adsbygoogle-container .adsbygoogle {
+	height: 600px;
+}
+
 .adsbygoogle-container .adsbygoogle[data-adsbygoogle-status="done"] {
 	background-color: transparent;
 }
diff --git a/public/index.html b/public/index.html
index b1fc024..9bee9de 100644
--- a/public/index.html
+++ b/public/index.html
@@ -41,6 +41,16 @@
 			<div class="container-fluid">
 				<div class="row">
 					<div class="col-md-3 col-lg-2 options">
+						<div class="adsbygoogle-container d-block d-md-none">
+							<ins class="adsbygoogle"
+									style="display:block"
+									data-ad-client="ca-pub-6543577519725877"
+									data-ad-slot="4527334349"></ins>
+							<script>
+								(window.adsbygoogle = window.adsbygoogle || []).push({});
+							</script>
+							<div class="note">⌃ advertisement ⌃</div>
+						</div>
 						<div class="card">
 							<div class="card-body">
 								<div class="form-group">