注目コメント算出アルゴリズムの一部にLINEヤフー株式会社の「建設的コメント順位付けモデルAPI」を使用しています
Fixed positioning According to CSS level 2, an element can be positioned relative to the browser ... Fixed positioning According to CSS level 2, an element can be positioned relative to the browser window using the style position: fixed: it does not move when the page is scrolled. You can do nice layout things with this in most modern browsers - but not on IE for Windows. Unless you use this script. Fixed backgrounds According to CSS level 1, an element’s background can be positioned relative to
2013/05/03 リンク