The code depends on what you want to achieve, for example, adding this code
.blog-post .post-categories { background-color: green; color: black; } .blog-post .post-categories a { color: black; font-size: 30px; }
will give – http://prntscr.com/oqfx0z We can help you with the custom css code, just describe what exactly do you want to change (font-size, border, background?). https://www.w3schools.com/css/
Regards
