body {
    width:100%;
    text-align:center;
}



#wrapper {
    overflow: hidden;
    width: 1270px;
    margin: auto;
}

    #content {
        width: 1190px;        
        float: right;
    }

    #SB { /* Slide bar */
        width: 227px;
        padding:0px ;        
        float: right;
        height: 670px;
        margin-left:0px;
        margin-top:10px;
        margin-bottom:20px;        
        
    }

    #portamento_container {
        float: right;
        position: relative;        
    }
        /* take the positioning of the sidebar, and become the start point for the sidebar positioning */
        #portamento_container #SB {
            float: none;
            position: absolute;
        }
            /* no need to float anymore, become absolutely positoned */
            #portamento_container #SB.fixed {
                position: fixed;
            }
    /* if the panel is sliding, it needs position:fixed */