i want css code for heading customization

Hi there,

please can you share a link to your website where we can see a Heading your want it to be applied. And please let us know which heading level you want it to affect eg. H2.

Once we see the site, we will be pleased to try and help with your courteous request. Thank you.

https://www.madatkendr.com/

i also want to show my quotes like these https://www.madatkendr.com/wp-content/uploads/2023/04/Screenshot-454.png

Try adding this CSS:

 .entry-content h2 {
    padding: 10px;
    background-color: #000;
}

those quote blocks would require a plugin or custom development.