7 Background comment box For Blogger

1. Log in to blogger  Design > Edit HTML.

2. Find this tag by using Ctrl+F   ]]></b:skin>

3. Paste below code Before ]]></b:skin> tag

#mbt-form iframe{ 
background:#ffffff url(
https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhqTqCmrqkInCuWLJyQ0d596U6Z3gv1rPaFvS_7oVAs_NthLFu1MT9TW0IFwsINBMHCRRaQoFdgEHcnM85S8y3lPlysBvVpCRUN2j-4J__MbD0vIiGuTSaYSDVI-JWE2qYQd-bRj7WdyFgg/s400/11.png) repeat-x; 
border:1px solid #ddd; 
-moz-border-radius:6px; 
-webkit-border-radius:6px; 
box-shadow: 5px 5px 5px #CCCCCC; 
padding:5px; 
font:normal 12pt "ms sans serif", Arial; 
color:#2F97FF; 
width:560px; height:213px !important; 
}
#mbt-form a{ 
color:#fff; 
}

4. Find again this code by using Ctrl+F   <div class='comment-form'>

5. Now replace <div class='comment-form'> with below code

<div id='mbt-form'>

6. Now save your Template

Here is other backgrounds. you can change above code URL with below any URL.

https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjYurExYr0cF72gwwqk_XqaGChWVH_WJg57Nl1EBeuct_wNDKcfbnvhr1sTDLEUaYi-TZVwvxg-8Xxym7fMdcOVDG4YhTRieOfPif4Q5Rn9GHzTYp40uyUyqKxwHQrrWQt5FxUGBgg84RIn/s1600/form1.JPG

https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhvPZc2iHIQB5a_OTjg51hyphenhyphentRXZjFPsaPPULTHigb4zjoOaO4NaSHpNUEW4X55yKl-awv5r8XYTqFtc-2Fta85WUVupcsjAqymb26OVUWxkrl0H4FsrafFc3HFR_dY7df1vBIC3EIVFGqkO/s1600/form2.JPG

https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhJ7m8PBCsgcwoB-5X-Dnv6Cogsx4F5HUQIxyijPsQHOtbutVc0LHmbmLoG7aoqPKtGa21FYk6HzTisJ0onSj27sozDQDhKPaA7WRtKfOD9lYI_60xOrBmh29pl55QgHdGwG8S__e95JQ7d/s1600/form3.JPG

https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhmTPZi_oCXzfn2KXXFePPcJblVDIFQmu8QG7JqzsDB_588oeeyT7iK5kfL_wZ6VeJzNxhtTpgyWnPIT5O0-to2eEMLhOL_O3ybRMzPJUZfxI5Wu5S5JrUuWpgcsBm9L-O4MC0CUzijDPLc/s1600/form4.JPG

https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg4mIZt_3FTx5mMSDpBh6MzNYQd9uM32ewdddH5FJtFW7Yqu4aIi1Q0unp0HEdlueKI8fOxt3eW7OawON6bwAJIcWSXcmjRsuPGctCnuNKGscFfBx_EvfnYuFwPidFUfB0m9k-zF0-uKBQd/s1600/form5.JPG

https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEic-m6nm1IxAfKhnc27cwhFbLm0rUDI_w2IPyhCsGOrVSi7PXBaQFemOCEvQDnPhLpHdgOYO3A1FlXwJxNwOcA6t7PaYmP3FYqQnreifIoB29H9Jzj48GB9-cmA_gm8skVKxYSa1LymkNVH/s1600/form6.JPG

https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgT1FDXVi_9G9we5FbtjIyPeRqj95yJ7-BnpuB4LB12IV-cjhITPZvNCK1aYSeNrAGLpI9TR2RpjpX4pTDdsVXBeyK85048t2lOjhlz-VJuux9xQApmz9LKNbC7ae_RMn1d68S0VHc2Txqj/s1600/form7.JPG

from bloggestriks.com

by Lord Alio