CSS for Fixed width master page in sharepoint2010

Custom CSS file for fixed width master page:

#s4-bodyContainer
{
width: 1000px !important;
margin-left:auto;
margin-right:auto;
}
.ms-cui-ribbonTopBars
{
width: 1000px !important;
margin-left:auto;
margin-right:auto;
}
.ms-cui-topBar2
{
border-bottom:solid 1px transparent !important;
}
#s4-mainarea
{
background-color:#ffffff;
}
body.v4master
{
overflow: visible;
background-image:url('../SiteAssets/background.jpg');
}
body #s4-ribbonrow
{
background-color:#865102;
}
/* If you want to change the left navigation width, change this and the margin-left in .s4-ca */
body #s4-leftpanel
{
padding-right:20px;
}
/* body area */
.s4-ca
{
margin-left:auto;
}
.ms-cui-ribbonTopBars
{
width: 1000px !important;
margin-left:auto;
margin-right:auto;
}
.ms-cui-ribbonTopBars > div
{
border-bottom:1px solid transparent !important;
}