你即將離開本站

並前往https://www.codecademy.com/forum_questions/51015b60b85830d9c1005c22

Header disappears when I add position: fixed; | Codecademy

I've tried changing the id to a class, both in the html and css. no joy with ... I had the same problem, i.e. before adding position: fixed; to the CSS for ...

確定！ 回上一頁

查詢 「CSS before position」的人也找了：

  1. CSS before z-index not working
    2.
  2. CSS before after
    3.
  3. Inline css before
    4.
  4. Before position absolute
    5.
  5. CSS before background image
    6.
  6. CSS after position
    7.
  7. CSS content size
    8.
  8. CSS before image
    9.