How to Add Multi colored Popular Post widget in Blogger.

Instruction:-

1. Backup your current template. then you have to tray.

2. its 100% working.
Follow this step:- 

1. Go to your Blog Dashboard ---->Template----->Click on Edit HTML

2. Press CTRL + F and find below code.
3. Then find this code (]]></b:skin>) and paste below code  above ]]></b:skin> this code
#PopularPosts1 ul{margin:0;padding:5px 0;list-style-type:none}
#PopularPosts1 ul li{position:relative;margin:5px 0;border:0;padding:10px}
#PopularPosts1 ul li:first-child{background:#ff4c54;width:90%}
#PopularPosts1 ul li:first-child:after{content:"1"}
#PopularPosts1 ul li:first-child + li{background:#ff764c;width:87%}
#PopularPosts1 ul li:first-child + li:after{content:"2"}
#PopularPosts1 ul li:first-child + li + li{background:#ffde4c;width:84%}
#PopularPosts1 ul li:first-child + li + li:after{content:"3"}
#PopularPosts1 ul li:first-child + li + li + li{background:#c7f25f;width:81%}
#PopularPosts1 ul li:first-child + li + li + li:after{content:"4"}
#PopularPosts1 ul li:first-child + li + li + li + li{background:#33c9f7;width:78%}
#PopularPosts1 ul li:first-child + li + li + li + li:after{content:"5"}
#PopularPosts1 ul li:first-child + li + li + li + li +li{background:#7ee3c7;width:75%}
#PopularPosts1 ul li:first-child + li + li + li + li + li:after{content:"6"}
#PopularPosts1 ul li:first-child + li + li + li + li + li +li{background:#f6993d;width:72%}
#PopularPosts1 ul li:first-child + li + li + li + li + li + li:after{content:"7"}
#PopularPosts1 ul li:first-child + li + li + li + li + li + li +li{background:#f59095;width:69%}
#PopularPosts1 ul li:first-child + li + li + li + li + li + li + li:after{content:"8"}
#PopularPosts1 ul li:first-child + li + li + li + li + li + li + li +li{background:#c7f25f;width:66%}
#PopularPosts1 ul li:first-child + li + li + li + li + li + li + li + li:after{content:"9"}
#PopularPosts1 ul li:first-child:after,
#PopularPosts1 ul li:first-child + li:after,
#PopularPosts1 ul li:first-child + li + li:after,
#PopularPosts1 ul li:first-child + li + li + li:after,
#PopularPosts1 ul li:first-child + li + li + li + li:after,
#PopularPosts1 ul li:first-child + li + li + li + li + li:after,
#PopularPosts1 ul li:first-child + li + li + li + li + li + li:after,
#PopularPosts1 ul li:first-child + li + li + li + li + li + li + li:after,
#PopularPosts1 ul li:first-child + li + li + li + li + li + li + li + li:after{position:absolute;top:20px;right:-15px;border-radius:50%;background:#353535;width:30px;height:30px;line-height:1em;text-align:center;font-size:28px;color:#fff}
#PopularPosts1 ul li .item-thumbnail{float:left;border:0;margin-right:10px;background:transparent;padding:0;width:70px;height:70px;}
#PopularPosts1 ul li a{font-size:12px;color:#444;text-decoration:none}
#PopularPosts1 ul li a:hover{color:#222;text-decoration:none}
#PopularPosts3 img{
    -moz-border-radius: 130px;
    -webkit-border-radius: 130px;
    border-radius: 130px;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    transition: all 0.3s ease;
padding:4px;
    border:1px solid #fff !important;
    background: #F2F2F2;}#PopularPosts1 img:hover {
    -moz-transform: scale(1.2) rotate(-560deg) ;
    -webkit-transform: scale(1.2) rotate(-560deg) ;
    -o-transform: scale(1.2) rotate(-560deg) ;
    -ms-transform: scale(1.2) rotate(-560deg) ;
    transform: scale(1.2) rotate(-560deg) ;
}

4. Save Template.
5. Now Go to Blogger Dashboard --> Layout --> Add a Gadget --> Popular Posts
6. Select "display up to 9 posts".
7. Save

Enjoy.