@namespace url(http://www.w3.org/1999/xhtml);

@-moz-document url-prefix("http://gelbooru.com/index.php?page=post"),
 url-prefix("http://www.gelbooru.com/index.php?page=post"),
 url-prefix("http://gelbooru.com/?page=post"),
 url-prefix("http://www.gelbooru.com/?page=post"),
 url-prefix("http://danbooru.donmai.us/post/index"),
 url-prefix("http://danbooru.donmai.us/post?tags="),
 url-prefix("http://danbooru.donmai.us/post/show"),
 url-prefix("http://safebooru.donmai.us/post/index"),
 url-prefix("http://safebooru.donmai.us/post/show") {
  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    overflow-x: hidden !important;
    overflow-y: auto !important;
    padding: 1ex !important;
    background-color: white !important;
    background-color: rgba(255,255,255,0.85) !important;
    z-index: 1000;
  }

}

@-moz-document url-prefix("http://gelbooru.com/index.php?page=post"),
 url-prefix("http://www.gelbooru.com/index.php?page=post"),
 url-prefix("http://gelbooru.com/?page=post"),
 url-prefix("http://www.gelbooru.com/?page=post") {
  .sidebar {
    border-right: 1px solid #006FFA;
    width: 250px !important;
    max-width: none !important;
  }

  .sidebar div, .sidebar h1, .sidebar h2, .sidebar h3, .sidebar h4, .sidebar h5, .sidebar h6, .sidebar p, .sidebar ul, .sidebar li, .sidebar dd, .sidebar dt {
    background-color: transparent !important;
  }

  .sidebar2, .sidebar4 {
    border: none !important;
    width: auto !important;
    padding: .2ex !important;
  }

  .sidebar4 .sidebar3 {
    width: auto !important;
  }

  body {
    padding-left: 264px !important;
  }
}

@-moz-document url-prefix("http://danbooru.donmai.us/post/index"),
 url-prefix("http://danbooru.donmai.us/post?tags="),
 url-prefix("http://danbooru.donmai.us/post/show"),
 url-prefix("http://safebooru.donmai.us/post/index"),
 url-prefix("http://safebooru.donmai.us/post/show") {
  .sidebar {
    width: 35ex !important;
    border-right: 1px solid #F7F7FF;
  }

  body {
    padding-left: 37ex !important;
  }
}