TwentyTwelve, where is the excerpt box in add new?
Check that it is turned on inside the Screen Options at the top.
theme-twenty-twelve
I can’t change the body background-color through style.css
It sounds like you just need to remove support for the custom background color. remove_theme_support( ‘custom-background’ ); You will probably need to hook it to get it to run after the parent functions.php function disable_bg_wpse_97248() { remove_theme_support( ‘custom-background’ ); } add_action(‘after_setup_theme’,’disable_bg_wpse_97248′,100)
How to customize WordPress twentytwelve_comment function
The quick answer would probably be ‘yes’ – although it is not recommended to customize a wordpress function directly a.k.a. “hack the core”. I would strongly recommend you use a child theme to override the comments template “comments.php” which is afaik the only template actually using the function twentytwelve_comment. You could then call your own … Read more
Twenty Twelve Theme pagination issue
You should not use query_posts at all. Everything is explained in this post I have recently done. Check out all the links as well that I’ve given in that post The big problem why your pagination doesn’t work is that the default twenty twelve pagination function, twentytwelve_content_nav, doesn’t make provision for custom queries. You can, … Read more
Remove Archives in category title
If you are using yoast SEO plugin then the easiest method is to remove the archive word from “titles & metas-> Taxonomies->category“ find: %%term_title%% Archives %%page%% %%sep%% %%sitename%% replace it with: %%term_title%% %%page%% %%sep%% %%sitename%%