#wrapper {overflow: hidden;}
#content {float:left}
#portamento_container {float:right; position:relative;}
#portamento_container #sidebar {float:none; position:absolute;}
#portamento_container #sidebar.fixed {position:fixed;}
#sidebarl {width:200px; background: #FFFFFF; height:400px;}
#portamento_container {float:right; position:relative;}
#portamento_container #sidebarl {float:none; position:absolute;}
#portamento_container #sidebarl.fixed {position:fixed;}