How to install themes with the demo content?

That depends entirely on the theme provider. They should give you an XML file that you use to import the test data. Or you use the theme test content. It features some edge cases, like very long category names, and all possible formatting options, like table, <pre>, nested lists, and so on.

Creating custom meta box throws PHP warning error in WordPress

Because the third parameter/argument in the add_meta_box function expects a callback function name, which in your case as you have supplied is homepage_meta_box_display. However you still haven’t defined that function yet. The callback function is basically used to output the meta box content, anything that you would like to show up in the metabox you … Read more

Need to edit themes HTML code

Can you search the theme source code for the CSS class that is used for the cart icon (“aux-shopping-basket” or “aux-phone-off” or “aux-action-on-click”)? Then you could create a child theme and copy the original file and then edit the copied file to fix the error. What is the fix?

How to check if my wordpress websiste is nulled or not?

Virus total can’t assure that theme\plugin is original. Making such check is very theme\plugin specific so it’s just general advice. First just check theme by theme name if it’s free or paid. Just google for it. Get to theme\plugin’s developers website and check what is latest version of this theme\plugin and check which version you … Read more

Can I change the WordPress default color?

You’re in the wrong area… …those are background colours for the theme, what you’re looking for is the Additional CSS at the bottom of the customizer. (Screenshots below.) In the Additional CSS you’ll have a text area where you can put your own CSS, use this: body:not(.overlay-header) .primary-menu > li > a, body:not(.overlay-header) .primary-menu > … Read more

What is the “pub” theme? [closed]

There is no pub theme, that’s a quirk of how WordPress.com the premium 3rd party service ran by Automattic is internally structured. It’s non-standard. To be more specific WP.com doesn’t use the normal theme folder structure, and instead of searching wp-content/themes for theme folders, it searches wp-content/themes/pub and several others for themes, but mostly pub. … Read more