body {
    margin: 0 auto;
    font-style: normal;
    font-weight: normal;
    font-variant: normal;
    font-family: arial;
    font-size: 12px;
    background-color: #D3D3D3;
 }

 .sf_blog_extra4 {
    float: right;
    width: 675px;
    height: 130px;
    margin-top: 5px;
    margin-right: 10px;
    display: inline;
    background-repeat: no-repeat;
    background-image: url(images/BlogHeader.jpg);
 }