diff --git a/bin/install-category b/bin/install-category
index 56e072c..ceb0be3 100755
--- a/bin/install-category
+++ b/bin/install-category
@@ -26,6 +26,7 @@ template () {
 <html>
 	<head>
 		<meta charset="UTF-8">
+		<meta name="viewport" content="width=device-width">
 		<title>$cat $points</title>
 		<link rel="stylesheet" href="../../style.css">
 	</head>
@@ -55,8 +56,8 @@ EOF
 			<form id="puzzler" action="/puzzler.cgi" method="post" accept-charset="utf-8" autocomplete="off">
 				<input type="hidden" name="c" value="$cat">
 				<input type="hidden" name="p" value="$points">
-				Team hash:<input name="t" size="8">
-				Answer:<input name="a" size="20">
+				<div>Team hash:<input name="t" size="8"></div>
+				<div>Answer:<input name="a" size="20"></div>
 				<input type="submit" value="submit">
 			</form>
 		</section>
diff --git a/www/credits.html b/www/credits.html
index 3c27eb9..ab75990 100644
--- a/www/credits.html
+++ b/www/credits.html
@@ -2,6 +2,7 @@
 <html>
 	<head>
 		<title>The Credits</title>
+		<meta name="viewport" content="width=device-width">
 		<link rel="stylesheet" href="style.css" type="text/css">
 		<script>
 function shuf (ul) {
diff --git a/www/index.html b/www/index.html
index 3b9e1eb..4053498 100644
--- a/www/index.html
+++ b/www/index.html
@@ -2,6 +2,7 @@
 <html>
 	<head>
 		<meta charset="UTF-8">
+		<meta name="viewport" content="width=device-width">
 		<title>Welcome</title>
 		<link rel="stylesheet" href="style.css" type="text/css">
 	</head>
diff --git a/www/koth.lua b/www/koth.lua
index b7728d9..32085ca 100644
--- a/www/koth.lua
+++ b/www/koth.lua
@@ -33,7 +33,7 @@ function koth.page(title, body)
 		print()
 	end
 	print("<!DOCTYPE html>")
-	print("<html><head><title>" .. title .. "</title><link rel=\"stylesheet\" href=\"style.css\"></head>")
+	print("<html><head><title>" .. title .. "</title><link rel=\"stylesheet\" href=\"style.css\"><meta name=\"viewport\" content=\"width=device-width\"></head>")
 	print("<body><h1>" .. title .. "</h1>")
 	if (body) then
 		print("<section>")
diff --git a/www/register.html b/www/register.html
index 50f35fb..991e8f3 100644
--- a/www/register.html
+++ b/www/register.html
@@ -2,6 +2,7 @@
 <html>
 	<head>
 		<title>Team Registration</title>
+		<meta name="viewport" content="width=device-width">
 		<link rel="stylesheet" href="style.css" type="text/css">
 	</head>
 	<body>
diff --git a/www/scoring.html b/www/scoring.html
index 74fedb3..add1fd7 100644
--- a/www/scoring.html
+++ b/www/scoring.html
@@ -2,6 +2,7 @@
 <html>
 	<head>
 		<title>About scoring</title>
+		<meta name="viewport" content="width=device-width">
 		<link rel="stylesheet" href="style.css" type="text/css">
 		<meta charset="utf-8">
 	</head>
