仕上がりはこのようになります。
『オレンジ』（３カラム）
背景画像などは３カラム用に少し変わっています。
自分なりに修正したソースを公開しますので、ご自由にお使いください。
body {
font-family: Arial, Helvetica, sans-serif;
margin:0px;
padding:0px;
text-align:center;
background-image:url(http://blog.seesaa.jp/img/bg/orange/bg.gif);
background-repeat:repeat-x;
background-color:#FFF;
}
#container{
text-align:center;
margin: 0px auto 0px auto;
padding:0px;
width:1000px;
color:#856F51;
}
a{
text-decoration: underline;
color:#78A600;
}
#banner{
font-family:arial, Helvetica;
height:140px;
margin:0px;
padding:0px 0px 0px 0px;
text-align:left;
background-image:url(http://blog.seesaa.jp/img/bg/orange/header.gif);
background-repeat:repeat-x;
background-color:#FFF;
}
h1 {
margin-left:10px;
padding: 20px 10px 10px 0px;
font-size:18px;
font-weight:bolder;
}
h1 a{
color:#FFF;
font-family:arial, Helvetica;
text-decoration: none;
font-weight:bolder;
}
h2 {
}
h3 {
font-size:12px;
font-weight:bolder;
font-family:arial, Helvetica;
margin-top:5px;
margin-bottom:0px;
padding:1px 0px 5px 17px;
background-image:url(http://blog.seesaa.jp/img/bg/orange/title.gif);
background-repeat:no-repeat;
}
h3 a{
font-weight:bolder;
color:#842515;
}
.description {
color:#FFF;
margin:0px 10px 10px 10px;
font-size:12px;
font-family:sans-serif;
font-weight:bolder;
}
.navi {
font-size:12px;
text-align:center;
padding:0px 0px 5px 0px;
}
#content {
float:left;
width:400px;
text-align:center;
}
.blog {
margin:0px;
text-align:left;
margin-left:15px;
}
.blogbody {
margin:0px;
padding:0px;
}
.date{
font-size: 12px;
font-weight:bolder;
font-family:arial, Helvetica;
color:#F65A01;
margin:0px;
padding:5px 5px 10px 0px;
background-image:url(http://blog.seesaa.jp/img/bg/orange/date.gif);
background-repeat:no-repeat;
background-position:bottom;
}
.title{
font-weight:bolder;
text-align:left;
}
.title a{
border:none;
text-decoration: none;
font-weight:bolder;
}
.text{
font-size: 12px;
margin-top:0px;
padding:5px 0px 0px 0px;
line-height:18px;
}
.posted{
font-size: 10px;
padding:10px 0px 10px 20px;
text-align:right;
}
#links-left {
font-weight:normal;
width:253px;
float:left;
margin-left:20px;
}
#links {
font-weight:normal;
width:253px;
float:left;
margin-left:20px;
}
#calendar {
font-weight:normal;
text-align:left;
padding-left:30px;
background-image:url(http://blog.seesaa.jp/img/bg/orange/side_title.gif);
background-repeat:no-repeat;
}
#calendar table {
width:200px;
padding-bottom:10px;
text-align:center;
}
#calendar th{
font-size:12px;
font-weight:bold;
padding:6px 3px;
background-image:url(http://blog.seesaa.jp/img/bg/orange/th_bg.gif);
background-repeat:no-repeat;
color:#842515;
}
#calendar td{
padding:6px 3px;
background-image:url(http://blog.seesaa.jp/img/bg/orange/td_bg.gif);
background-repeat:no-repeat;
}
.calendarhead {
color:#FFF;
font-size:12px;
font-weight:bolder;
padding:6px 0px 7px 0px;
text-align:left;
}
.calendarday {
font-size:12px;
padding:2px;
}
.sidetitle {
background-image:url(http://blog.seesaa.jp/img/bg/orange/side_title.gif);
background-repeat:no-repeat;
color:#FFF;
font-size:12px;
font-weight:bolder;
padding:6px 0px 10px 30px;
text-align:left;
}
.side {
font-size:12px;
font-weight:normal;
line-height:18px;
margin-bottom:10px;
padding:5px 15px 10px 30px;
text-align:left;
}
.powered {
padding:0px;
text-align:center;
}
.syndicate {
font-size:10px;
padding:5px 30px 0px 0px;
padding-bottom:10px;
}
#comments {
margin-top:25px;
margin-left:15px;
text-align:left;
}
#comments form{
padding-left:10px;
margin-top:5px;
}
#comments input{
max-width:250px;
}
#comments textarea{
max-width:400px;
}
.comments-head{
margin:0px;
padding:0px 0px 10px 20px;
background-image:url(http://blog.seesaa.jp/img/bg/orange/title.gif);
background-repeat:no-repeat;
font-size:12px;
font-weight:bold;
}
.comments-body {
padding:5px 5px 0px 0px;
font-size: 12px;
}
.comments-post{
font-size: 10px;
padding:10px 10px 10px 20px;
text-align:left;
}
#trackback {
font-size: 12px;
padding:10px 10px 10px 10px;
margin-bottom:10px;
margin-left:15px;
text-align:left;
border:1px dotted #666;
}
#footer{
clear:left;
padding:20px 0px; 5px 0px
text-align:center;
height:80px;
background-color:#FFF;
}
.copyright{
font-size:80%;
width:100%;
text-align:center;
}
#diet-container{
padding:5px;
}
.diet-title{
padding:2px 10px 2px 5px;
font-size:12px;
color:#D77D62;
width:90px;
margin-top:5px;
}
.diet-content{
padding-left:10px;font-size:12px;
}
#diet-foods{
padding-left:10px;
font-size:12px;
}
.food-title{
width:20%;
clear:left;
float:left;
}
.food-content{
width:75%;
padding-top:10px;
}
