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There is one WordPress feature that was introduced with version 2.5 that always made me curious: the image alignment feature of the “Add media” editor. Why? Because it never worked!


I knew that I was probably doing something wrong, but since I didn’t have time to find it out, I just kept choosing “none” as the alignment, and then I would manually insert the right, left or center alignment attribute on the image tag.

Then last week when I was submitting one of my themes for the WordPress Themes Directory I got a message saying that since version 2.5 WordPress themes were required to have the following code on their stylesheet:

img.centered {
display: block;
margin-left: auto;
margin-right: auto;

img.alignright {
padding: 4px;
margin: 0 0 2px 7px;
display: inline;

img.alignleft {
padding: 4px;
margin: 0 7px 2px 0;
display: inline;

.alignright {
float: right;

.alignleft {
float: left;

Duh! That is why the alignment feature was not working on my blogs, I never added that code! Now if you faced this problem in the past, now you know how to solve it.


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About the author 


Daniel Scocco is a programmer and entrepreneur located in São Paulo, Brazil. His first company, Online Profits, builds and manages websites in different niches. His second company, Kubic, specializes in developing mobile apps for the iOS and Android platforms.

  1. I was doing a Google search trying to find out why WordPress wasn’t doing the right thing by default and I came across this post.

    Thank you for sharing.

  2. Daniel:

    worked! (no surprise) Saved a ton of work! Sometimes I use scribefire which lets you position graphics a little better. It has it’s benefits and drawbacks.

    Thanks. Always helpful.

  3. *nods* I just had to have that fight with my theme last week (when I finally updated to 2.6 from 2.3.1). Drove me crazy getting it figured out, but I finally got it in there and can now float my text around my images.

    And there was much rejoicing!

  4. Well No duh here cause it’s all news to me, except the part that the alignment never worked, too much of a newbie to even begin to know how to work on it. I’ll check it out and report back on my success (positive thinker) 🙂

  5. @Daniel: Thanks. I did try that immediately when I saw this tip. It still isn’t working though. Is there a specific part of the stylesheet it should go into? I’m still aligning my images manually 🙁

  6. oh…gosh, i always find difficulties when aligning image on my blog. you’re really ‘the daily blog tipper’, man…muchos gracias!

  7. @Parisb, open WordPress CP, then Design, then Theme Editor, then open style.css file. Place it there.

  8. I’m wondering where to place this too? I’m using the passionduo theme and the images aren’t aligning. Thanks for any help.

  9. Thank you! There doesn’t seem to be a blogging question that can’t be answered by our supportive community – quietly working alone at home, yet I don’t feel isolated.

  10. Thank you Daniel, it really helps.
    @ Annie, you need to put the code at stylesheet file of your theme on the content section.

  11. OK, so I am the only one who does not know where in the stylesheet to put that code.
    does it matter where you put it?

  12. I actually caught this myself. I always compare the latest default theme with the previous one. That way I catch any theme updates I need to propagate to my theme (which is based on the default).

  13. AHA! That’s the problem! Thanks for sharing the proper code. Now, where exactly do I put it? I’m just beginning to learn about this stuff . . .


    ~ AA

  14. Big doh moment, thanks for the tip. Me thinks WordPress themes seem to have a hard time keeping up with new WordPress features.

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