Maybe this is too simple question, but I've tried to find out the info by myself.

How can I remove margins (all: left, top, right, bottom) for Twenty Twelve theme?

This is what I mean: WordPress screenshot

  • This is a pure CSS question and as such is off-topic per the faq – s_ha_dum Feb 11 '13 at 16:51
  • @s_ha_dum, oh, sorry. What should I do with this question? (I thought it should be posted here because it requires knowledge of Twenty Twelve theme.) – Sergey Brunov Feb 11 '13 at 17:01

I think you mean these class definitions in style.css:

    /* =Media queries
    -------------------------------------------------------------- */

    /* Minimum width of 600 pixels. */
    @media screen and (min-width: 600px) {


        .site {
            margin: 0 auto;
            max-width: 960px;
            max-width: 68.571428571rem;
            overflow: hidden;



  /* Minimum width of 960 pixels. */
  @media screen and (min-width: 960px) {


    body .site {
        padding: 0 40px;
        padding: 0 2.857142857rem;
        margin-top: 48px;
        margin-top: 3.428571429rem;
        margin-bottom: 48px;
        margin-bottom: 3.428571429rem;
        box-shadow: 0 2px 6px rgba(100, 100, 100, 0.3);



Edit: Here is a style.css for a child theme:

Theme Name:     Twenty Twelve Child
Theme URI:      http: //example.com/
Description:    Child theme for the Twenty Twelve theme
Author:         birgire
Template:       twentytwelve
Version:        1.0

@import url("../twentytwelve/style.css");

Custom page layout

/* remove site margin */
body .site{margin:0;max-width: 100%;}
| improve this answer | |
  • Thank you for the answer. Should I make a child theme to safely apply this CSS? – Sergey Brunov Feb 11 '13 at 16:49
  • yes, I recommend it. – birgire Feb 11 '13 at 16:53
  • Sorry, but it didn't help. I've created a child theme: @import url("../twentytwelve/style.css"); and after that pasted those definitions. The margins are still here. – Sergey Brunov Feb 11 '13 at 17:06
  • I added the style.css above for the child theme. – birgire Feb 11 '13 at 17:22
  • Brilliant! Thank you very much! This is exactly what I was looking for. One more (small) question please. How to change width of main content and sidebar in percents (I want to reduce sidebar width)? – Sergey Brunov Feb 11 '13 at 17:29

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