diff --git a/public/head.html b/public/head.html
new file mode 100644
index 0000000..9b0de24
--- /dev/null
+++ b/public/head.html
@@ -0,0 +1,17 @@
+<meta name="viewport" content="width=device-width,initial-scale=1">
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/github-markdown-css/5.2.0/github-markdown.min.css">
+<style>
+	.markdown-body {
+		box-sizing: border-box;
+		min-width: 200px;
+		max-width: 980px;
+		margin: 0 auto;
+		padding: 45px;
+	}
+	@media (max-width: 767px) {
+		.markdown-body {
+			padding: 15px;
+		}
+	}
+</style>
+<script src="https://unpkg.com/github-corners/dist/embed.min.js" data-href="https://github.com/CORSmirror/corsmirror-cf" data-target="_blank" async defer></script>