Hi, I am trying to get a horizontal drop down menu for my new wordpress blog with several categories (about 10) and then several pages under each category. I am a beginner at wordpress but am very familiar with CSS. Trying to find out if anyone knows where a code such as this would go in a header.php file so that it works? Or does anyone have a blog or website that explains this clearly? I've tried looking online but can't find any good guides.
I'm looking to create a horizontal drop down menu such as these examples: