テーマ「Jentri」のセンタリング

gistfile1.css

#sidebar {
margin-left:20px;
}

body,.entrytitle h2 {
font-family:Meiryo, 'Trebuchet MS', Verdana,sans-serif;
}

#header h1 {
font-weight:bold;
}

#wrap {
background-image:none;
min-height:2000px;
}

html {
  height: auto !important;
}

body {
width:820px;
background-color:#ddd;
background-image:url('http://asazuki508.files.wordpress.com/2011/06/woodfine0008_s-e1308080946671.jpg');
background-repeat:repeat-y;
background-position:right top;
margin:0 auto;
}