message: move css to body
diff: <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">
  <link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.1.0/css/all.css" integrity="sha384-lKuwvrZot6UHsBSfcMvOkWwlCMgc0TaWr+30HWe3a4ltaBwTZhyTEggF5tJv8tbt" crossorigin="anonymous">
  - <link rel="stylesheet" href="https://swap.online/dist/css/swap.css?v=1.0.7">
  <meta property="og:url" content="https://swap.online">
  <meta property="og:image" content="https://wiki.swap.online/assets/swap-logo.png">
  <body>
  <!-- jQuery modal -->
  + <link rel="stylesheet" href="https://swap.online/dist/css/swap.css?v=1.0.7">
  +
  <div class="starter-modal d-none" style="display:none" id="starter-modal">
  <div class="container">
  <div class="starter-modal-container d-flex flex-column h-100 justify-content-around">
  