#wfspb-top-bar,
#wfspb-top-bar.displaying,
#wfspb-top-bar.customized,
#wfspb-top-bar.top_bar {
    position: fixed;
    height: auto !important;               /* altura fija */
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    max-height: 1000px !important;
    overflow: visible !important;
    background: white;         /* opcional: para evitar transparencia */  
}