<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="utf-8">
    <title>MTM</title>
    <meta name="viewport" content="width=device-width, initial-scale=1">
</head>

<body>
    <div class="container" />
</body>

</html>

<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="utf-8">
  <title>MTM</title>
  <meta name="viewport" content="width=device-width, initial-scale=1">
</head>

<body>
  <div class="container" />
</body>

</html>

Fix indentation of the html file.
[clean-up] Fix indentation of the html file.
