Do I change the style.css, which part? :
/*- Page Structure */
html { /* Force Vertical Scrollbar */
/* IE */
overflow-y: scroll;
/* Moz */
height: 100%;
margin-bottom: 0.1em;
}
* {
padding: 0;
margin: 0;
}
img {
border: 0;
}
body {
font: 62.5% 'Lucida Grande', Verdana, Arial, Sans-Serif; /* Resets 1em to 10px */
color: #444;
background: #EDEDED;
text-align: center;
}
#page {
background: white;
text-align: left;
margin: 0 auto;
padding: 20px 0 10px;
position: relative;
border: 1px solid #ddd;
border-top: none;
clear: both;
}
.sidebar-none #page {
width: 450px;
}
.sidebar-single #page {
width: 700px;
}
.sidebar-dual #page {
width: 950px;
}
#header {
padding: 0;
margin: 0;
position: relative;
height: 200px;
background: #3371A3;
}
.content {
padding: 0 20px;
}
#primary {
position: relative;
float: left;
width: 450px;
padding: 10px;
}
* html #primary {
display: inline;
}
.sidebar-dual #primary {
margin-left: 170px;
padding: 10px;
}
#sidebar-main {
float: left;
width: 222px;
padding: 0px;
}
#sidebar-alt {
float: left;
width: 150px;
padding: 10px;
left: -740px;
margin-left: -170px;
}
.secondary {
font-size: 1em;
line-height: 1.5em;
padding: 10px 0;
color: #666;
position: relative;
}