How to add number navigation widget to blogger

1. Log in to blogger and Go to Design >> Page Element

2.Now click Add Gadget and select the HTML/Javascript

3.Now paste below code.

<style type="text/css">
#blog-pager{padding:5px 0 !important;}
.showpageArea {font-weight: bold;margin:5px;}/* www.bloggertrix.com */
.showpageArea a {text-decoration:underline;color: #fff;}
.showpageNum a, .showpage a {color: #fff;text-decoration:none;border:1px solid #999;-webkit-border-radius:3px;-moz-border-radius:3px; margin:0 3px;padding:3px 5px; background: #3b679e; background: -moz-linear-gradient(top, #3b679e 0%, #2b88d9 50%, #207cca 51%, #7db9e8 100%); background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#3b679e), color-stop(50%,#2b88d9), color-stop(51%,#207cca),  color-stop(100%,#7db9e8)); filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#3b679e', endColorstr='#7db9e8',GradientType=0 ); }/* www.bloggertrix.com */
.showpageNum a:hover, .showpage a:hover {border: 1px solid #ccc; background: #aebcbf; background: -moz-linear-gradient(top, #aebcbf 0%, #6e7774 50%, #0a0e0a 51%, #0a0809 100%); background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#aebcbf), color-stop(50%,#6e7774), color-stop(51%,#0a0e0a), color-stop(100%,#0a0809)); filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#aebcbf', endColorstr='#0a0809',GradientType=0 ); }
.showpagePoint {color: #aaaaaa;text-decoration:none;border:1px solid #999;-webkit-border-radius:3px;-moz-border-radius:3px; margin:0 3px;padding:3px 5px; background: #e2e2e2; background: -moz-linear-gradient(top, #e2e2e2 0%, #dbdbdb 50%, #d1d1d1 51%, #fefefe 100%); background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#e2e2e2), color-stop(50%,#dbdbdb), color-stop(51%,#d1d1d1), color-stop(100%,#fefefe)); filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#e2e2e2', endColorstr='#fefefe',GradientType=0 ); } 
.showpageOf {text-decoration:none;padding:3px;margin: 0 3px 0 0;}
.showpageNum a:link,.showpage a:link {text-decoration:none;color:#fff;}/* www.bloggertrix.com */
</style>
<script type='text/javascript'>
var home_page="/";
var urlactivepage=location.href;
var postperpage=5;
var numshowpage=3;
var upPageWord ='Previous';
var downPageWord ='Next';
</script>

4. Now save your HTML/Javascript you are done.