How to add menu with sub-menu in blog (with on hover mouse effect)

This is a very nice horizontal menu in which its sub-tabs are displayed in two columns and is also made with CSS, without any scripts.

The "advantage" so to speak, is that the sub-tabs when arranged in two columns are not very long, so it will be neat and less space along. You can see an example here:

Adding A Horizontal Menu With Sub Tabs in Two Columns To Blogger

STEP 1: In Blogger, go to your "Layout" and on the "Page Elements" section.

Click on the "Add a Gadget" link just under your header image
From the Gadget's List, select "HTML/JavaScript" option.

STEP 2: Simply copy and paste this ENTIRE code into your widget. Note: Leave the "Title" section of this widget blank.

<div id='menucol'><div id='topwrapper'><ul id='top'><li><a href='http://YOUR URL HERE.com'>Tab 1 Title Here</a></li><li><a href='http://YOUR URL HERE.com'>Tab 2 Title Here</a></li><li><a class='submenucol' href='#'>Tab 3 Title Here</a><ul><li><a href='http://YOUR URL HERE.com'>Sub Tab 3.1</a></li><li><a href='http://YOUR URL HERE.com'>Sub Tab 3.2</a></li><li><a href='http://YOUR URL HERE.com'>Sub Tab 3.3</a></li><li><a href='http://YOUR URL HERE.com'>Sub Tab 3.4</a></li><li><a href='http://YOUR URL HERE.com'>Sub Tab 3.5</a></li><li><a href='http://YOUR URL HERE.com'>Sub Tab 3.6</a></li></ul></li><li><a class='submenucol' href='#'>Tab 4 Title Here</a><ul><li><a href='http://YOUR URL HERE.com'>Sub Tab 4.1</a></li><li><a href='http://YOUR URL HERE.com'>Sub Tab 4.2</a></li><li><a href='http://YOUR URL HERE.com'>Sub Tab 4.3</a></li><li><a href='http://YOUR URL HERE.com'>Sub Tab 4.4</a></li><li><a href='http://YOUR URL HERE.com'>Sub Tab 4.5</a></li><li><a href='http://YOUR URL HERE.com'>Sub Tab 4.6</a></li></ul></li><li><a class='submenucol' href='#'>Tab 5 Title Here</a><ul><li><a href='http://YOUR URL HERE.com'>Sub Tab 5.1</a></li><li><a href='http://YOUR URL HERE.com'>Sub Tab 5.2</a></li><li><a href='http://YOUR URL HERE.com'>Sub Tab 5.3</a></li><li><a href='http://YOUR URL HERE.com'>Sub Tab 5.4</a></li><li><a href='http://YOUR URL HERE.com'>Sub Tab 5.5</a></li><li><a href='http://YOUR URL HERE.com'>Sub Tab 5.6</a></li><li><a href='http://YOUR URL HERE.com'>Sub Tab 5.7</a></li><li><a href='http://YOUR URL HERE.com'>Sub Tab 5.8</a></li></ul></li><li><a href='http://YOUR URL HERE.com'>Tab 6 Title Here</a></li>
</ul><br class='clearit'/></div></div>

Customize your main tabs by changing the Tab Titles to whatever you want. Include a URL for each one if you want it to be 'clickable'. If not, you can just put a # sign where it says http://YOUR URL HERE.com

You can add or delete as many of the main tabs as you need, just make sure to copy the entire code for the main tab for each additional tab you want:

<li><a href='http://YOUR URL HERE.com'>Tab 7 Title Here</a>
<ul>
<li><a href='http://YOUR URL HERE.com'>Sub Tab 7.1</a></li>
<li><a href='http://YOUR URL HERE.com'>Sub Tab 7.2</a></li>
<li><a href='http://YOUR URL HERE.com'>Sub Tab 7.3</a></li>
</ul>
</li>

/* Horizontal menu with 2 columns----------------------------------------------- */#menucol {width:940px; height:37px;background-image: -moz-linear-gradient(top, #666666, #000000);background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0.00, #666666), color-stop(1.0, #000000));filter: progid:DXImageTransform.Microsoft.Gradient(gradientType=0,startColorStr=#666666,endColorStr=#000000);border-bottom:1px solid #666666;border-top:1px solid #666666;margin:0 auto;padding:0 auto;overflow:hidden;}#topwrapper {width:940px; height:40px;margin:0 auto;padding:0 auto;}.clearit {clear: both;height: 0;line-height: 0.0;font-size: 0;}#top {width:100%;}#top, #top ul {padding: 0;margin: 0;list-style: none;}#top a {border-right:1px solid #333333;text-align:left;display: block;text-decoration: none;padding:10px 12px 11px;font:bold 14px Arial;text-transform:none;color:#eee;}#top a:hover {background:#000000;color:#F6F6F6; }#top a.submenucol {background-image: url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhzR8Fm6XlZK0H7e1BFK0dhkR7xt1CiFEVYpqRXD8aNCpDCsrvbcqbASL2baZ1N3BwTxdgfD8QasT8TuR1vI1508at5adGA4mhrDCaxsgDr2c6kDaDe-adaZ1pTcZxVQGR7Yp5eQLNhZFQ/s1600/arrow_white.gif); background-repeat: no-repeat;padding: 10px 24px 11px 12px;background-position: right center;}#top li {float: left;position: relative;}#top li {position: static !important; width: auto;}#top li ul, #top ul li {width:300px;} #top ul li a {text-align:left;padding: 6px 15px;font-size:13px;font-weight:normal;text-transform:none;font-family:Arial, sans-serif;border:none;}#top li ul {z-index:100;position: absolute;display: none;background-color:#F1F1F1; margin-left:-80px;padding:10px 0;border-radius: 0px 0px 6px 6px;box-shadow:0 2px 2px rgba(0,0,0,0.6);filter:alpha(opacity=87);opacity:.87;}#top li ul li {width:150px; float:left;margin:0;padding:0;}#top li:hover ul, #top li.hvr ul {display: block;}#top li:hover ul a, #top li.hvr ul a {color:#333; background-color:transparent;text-decoration:none;}#top ul a:hover {text-decoration:underline!important;color:#444444 !important; }#crosscol ul {z-index: 200; padding:0 !important;}#crosscol li:hover {position:relative;}#crosscol ul li {padding:0 !important;}.tabs-outer {z-index:1;}.tabs-inner {padding: 0 0px;}

If you want to change color of the background of the tabs then go to Blogger Dashboard > Template > Customize > Advanced > Tabs Background > From there change it to your desired color.

STEP 4: The final step is to Save the Template and you are done!

End Result will look like the picture below