Child Theme does not work

What is in your child theme stylesheet? (Use the code buttons to post the code – it should only be the required header section, not a copy of the entire stylesheet) And what is the file structure you have set up?

Hello,
I too have a trouble with creating a child theme for TwentyTwelve. I used a plugin (One click Child theme), and it worked fine for my former theme (Brunelleschi), but with TwentyTwelve the layout is totally in a mess (colors, links etc). I tried it a couple of times with the same result. So for the moment I use it “out of the box”. but I’d like to make a few customizations however.
Here is the URL.
Any idea? Thx, in advance.

I used my file manage in my host and this is the file structure

wp-content ->themes->childtwentytwelve

/*
Theme Name: Twentytwelve Child
Description: Child theme for the twentytwelve theme
Author: Your name here
Template: twentytwelve
*/

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

Hello Zena
Here is the code I used :

/*
Theme Name:     twentytwelvechild
Author:         ***
Template:       twentytwelve
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
*/
@import url("../twentytwelve/style.css");

But in my case the issue was coming from a conflict with a plugin for Css script optimization. I disabled it and now it is all ok.

Hope it’s ok for you too now.

What was the name of the plugin that was giving you conflict?

OMG!! It worked!!! I even tried it on the minimatica theme and it worked!!
Thank you so much!!

I just have one more question

License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html

Why are these two lines necessary?

I think those two lines are there mainly for courtesy.
I’m just glad that you could fix it.