Sometimes when using specific themes or certain plugins, the standard content editing WYSIWYG box in WordPress admin pages will appear at half width, with large sized text or in some way abnormal. This is caused by an extra style being added.
Outputting the WordPress content or excerpt onto a page using the_content() or the_exerpt() can result in a “Read More”, or sometimes a “[..]” button being show to display the rest of the content. It is possible to change the default values of these using a WordPress hook.
It can be necessary to remove certain WordPress admin input fields based on the assigned template. This can achieved with a simple function that runs on admin load removes certain inputs based on the template filename.
When using the_post_thumbnail to display an image, it is possible to include a class on the image element.