Abstract Sequential Stephanie Hobson's abstract thoughts in the sequence she has them.

How To Debug CSS

Some quick notes and links for the talk I gave at WordCamp Vancouver about Debugging CSS.

Edit: You can now watch a recording of Debugging CSS. Spot the three projector failures!


  1. Is the HTML valid?
  2. Is the CSS valid?
  3. Is the right CSS being applied?
    1. Is what you typed being applied?
    2. Is other stuff being applied?
    3. Is what’s being applied right?
  4. Does CSS support what you’re doing?
  5. Does the browser support it?
  6. Can you isolate the problem?
  7. Ask for help


Other resources

1 Comment

[…] am an aspiring developer, I went to a couple of the more advanced developer talks. The first was Debugging CSS by Stephanie Hobson of Mozilla. As I’m also taking a course in CSS (Cascading Style Sheets, which affect the presentation of […]

Posted by Code is Poetry: WordCamp and WordPress, Part Two | Through the Lens on 19 August 2015 @ 3pm