Time for action – creating a horizontal drop-down menu

Let's take a look at how we can use the Superfish plugin to enhance a CSS horizontal drop-down menu:

1. To get started, we'll create a simple HTML page and the associated folders and files like we created in Chapter 1, Designer, Meet jQuery. To get started, we won't attach the styles.css file to our page. We'll add that in later. The body of our HTML file will contain a heading and a navigation menu that consists of nested unordered lists, as follows:

   <div class="content">
   <h1>Butterflies</h1>
   </div>
   
   <ul id="sfNav" class="sf-menu">
     <li><a href="#">Papilionidae</a>
       <ul>
         <li><a href="#">Common Yellow Swallowtail</a></li>
         <li><a href="#">Spicebush Swallowtail</a></li>
         <li><a href="#">Lime Butterfly</a></li>
         <li><a href="#">Ornithoptera</a>
           <ul>
             ...