Adding drop down menus in blogger can benefit your readers to find out the intended posts of the blog with ease. To add drop down menu in blogger you need is just a little bit of CSS and HTML code
1. HTML
Click on Add a Gadget > HTML/JavaScript link and insert the following type of code
<div id="navigation">
<ul>
<li><a href="#">Home</a></li>
<li><a href="#">About</a></li>
<li><a href="#">Services</a>
<ul>
<li><a href="#">Web design</a></li>
<li><a href="#">Wordpress</a></li>
</ul>
</li>
<li><a href="#">Contact</a></li>
</ul>
</navigation>
2. CSS
Now Navigate to Design > Edit HTML Section. Find this type of code ]]></b:skin> and put this code before it