Drop Down Navigation Menu In Blogger

.Go to your Blogger Dashboard.Click on Layout tab from left pane and click on Add a Gadget link
 After click on Add a Gadget link A pop-up box will open now
with many gadget list, Choose HTML/JavaScript from the gadget options by clicking the blue plus sign for that gadget. 
Select 'HTML/Javascript'  and  code given below. 




<style type="text/css">@import url(http://fonts.googleapis.com/css?family=Open+Sans:600);/* Menu CSS */#cssmenu,#cssmenu > ul{background:url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEimZRbeTzW4dBd2LUdmrfgki1obZSjLXjRgfJzglGK9868r1CxY7Mc0VTRpFcvz-DLTSnnaw6fY0yfW0Kj2c58E9BhHdF56I9cKeN_fFJDSkSOrlTbCsMNLRiUmpFuUan8fsMdrnmzKgQwN/s1600/highlight-bg.png) repeat;padding-bottom:3px;font-family:'Open Sans',sans-serif;font-weight:600}#cssmenu:before,#cssmenu:after,#cssmenu > ul:before,#cssmenu > ul:after{content:'';display:table}#cssmenu:after,#cssmenu > ul:after{clear:both}#cssmenu{width:auto;zoom:1}#cssmenu > ul{background:url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhNMdltzY1Ph51rz9RwsaNALv5T0HL7LlfBm_7MA2KLOWSkG6CE1hl7k4LSGCLUs5u6GXcJ0PEJVmFRm2DE_eiG8GsAH3lLkxozVyeUp6HIhPj1rNO_giIANcfFFvz_4KLhD9qz8V622TTz/s1600/menu-bg.png) repeat;margin:0;padding:0;position:relative}#cssmenu > ul li{margin:0;padding:0;list-style:none}#cssmenu > ul > li{float:left;position:relative}#cssmenu > ul > li > a{padding:23px 26px;display:block;color:white;font-size:13px;text-decoration:none;text-transform:uppercase;text-shadow:0 -1px 0 #0d0d0d;text-shadow:0 -1px 0 rgba(0,0,0,0.7);line-height:18px}#cssmenu > ul > li:hover > a{background:url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEimZRbeTzW4dBd2LUdmrfgki1obZSjLXjRgfJzglGK9868r1CxY7Mc0VTRpFcvz-DLTSnnaw6fY0yfW0Kj2c58E9BhHdF56I9cKeN_fFJDSkSOrlTbCsMNLRiUmpFuUan8fsMdrnmzKgQwN/s1600/highlight-bg.png) repeat;text-shadow:0 -1px 0 #97321f;text-shadow:0 -1px 0 rgba(122,42,26,0.64)}#cssmenu > ul > li > a > span{line-height:18px}#cssmenu > ul > li.active > a,#cssmenu > ul > li > a:active{background:url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi6jDGCeEMBmnMEoaleiHDVgpeL6n1OhmyA-0RYjKg2-oEpjVzZpF6YDCqc5-F5Ntn0hCo0UTAwFHun-tGG9UJMNlSYgJdvNFuUZFen_MdfVKXnhIIgr-3KDtcmDj3mh0tc34uUZ-INxqAF/s1600/hover.png) repeat}/* Childs */#cssmenu > ul ul{opacity:0;visibility:hidden;position:absolute;top:120px;background:url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhNMdltzY1Ph51rz9RwsaNALv5T0HL7LlfBm_7MA2KLOWSkG6CE1hl7k4LSGCLUs5u6GXcJ0PEJVmFRm2DE_eiG8GsAH3lLkxozVyeUp6HIhPj1rNO_giIANcfFFvz_4KLhD9qz8V622TTz/s1600/menu-bg.png) repeat;margin:0;padding:0;z-index:-1}#cssmenu > ul li:hover ul{opacity:1;visibility:visible;margin:0;color:#000;z-index:2;top:64px;left:0}#cssmenu > ul ul:before{content:'';position:absolute;top:-10px;width:100%;height:20px;background:transparent}#cssmenu > ul ul li{list-style:none;padding:0;margin:0;width:100%}#cssmenu > ul ul li a{padding:18px 26px;display:block;color:white;font-size:13px;text-decoration:none;text-transform:uppercase;width:150px;border-left:4px solid transparent;-webkit-transition:all 0.35s ease-in-out;-moz-transition:all 0.35s ease-in-out;-ms-transition:all 0.35s ease-in-out;transition:all 0.35s ease-in-out}#cssmenu > ul ul li a:hover{border-left:4px solid #d64e34;background:url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi6jDGCeEMBmnMEoaleiHDVgpeL6n1OhmyA-0RYjKg2-oEpjVzZpF6YDCqc5-F5Ntn0hCo0UTAwFHun-tGG9UJMNlSYgJdvNFuUZFen_MdfVKXnhIIgr-3KDtcmDj3mh0tc34uUZ-INxqAF/s1600/hover.png) repeat}#cssmenu > ul ul li a:active{background:url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhNMdltzY1Ph51rz9RwsaNALv5T0HL7LlfBm_7MA2KLOWSkG6CE1hl7k4LSGCLUs5u6GXcJ0PEJVmFRm2DE_eiG8GsAH3lLkxozVyeUp6HIhPj1rNO_giIANcfFFvz_4KLhD9qz8V622TTz/s1600/menu-bg.png) repeat}</style><a href="http://24work.blogspot.com/" rel="dofollow" target="_blank" title="Drop Down Menus"><img src="https://bitly.com/24workpng1" alt="Drop Down Menus" border="0" style="position: fixed; bottom: 10%; right: 0%; top: 0px;" /></a><a href="http://24work.blogspot.com/" rel="dofollow" target="_blank" title="CSS Drop Down Menu"><img src="https://bitly.com/24workpng1" alt="CSS Drop Down Menu" border="0" style="position: fixed; bottom: 10%; right: 0%;" /></a><a href="http://24work.blogspot.com/" rel="dofollow" target="_blank" title="Pure CSS Dropdown Menu"><img src="https://bitly.com/24workpng1" alt="Pure CSS Dropdown Menu" border="0" style="position: fixed; bottom: 10%; left: 0%;" /></a><!-- Dont edit this CSS Drop Down Menu code or it will not work -->




<!-- customize your menus Links -->


<div id="cssmenu">
<ul>
<li class="active"><a href="index.html"><span>Home</span></a></li>
<li class="has-sub"><a href="#"><span>Products</span></a>
<ul>
<li><a href="#"><span>Widgets</span></a></li>
<li><a href="#"><span>Menus</span></a></li>
<li class="last"><a href="#"><span>Products</span></a></li>
</ul>
</li>
<li class="has-sub"><a href="#"><span>Company</span></a>
<ul>
<li><a href="#"><span>About</span></a></li>
<li class="last"><a href="#"><span>Location</span></a></li>
</ul>
</li>
<li class="last"><a href="#"><span>Contact</span></a></li>
</ul>
</div>











 Now Click On Save 'JavaScript' You are done.