How to Remove Sidebar in Blogger Template

1-Go to your Blog

2-Click on Template

3-Click on Edit HTML

4-Now find this Code ![CDATA[

5-Now Paste this Code, after ![CDATA[

#center {
 width:100%;
 padding:10px 20px 20px 20px;
 float:left;
}


#sidebar{
display: none;
}
#content, #post, .post-body, .post-content, .post-header, .post-date{
width: 100%;
}
.post-footer{
width: 90%;
}
.post-month, .post-day{
position: relative;
left: -200px;
}
.post-cat{
width: 100%;
text-align: center !important;
}
.post-title h1, .post-title .post-cat{
text-align: center !important;
}
.post h1 {
padding:0 0 4px;
text-align:left;
line-height:20px;
margin-left:10px;
margin-right:20px;
background-color:black;
}