.container-cover{
    min-height: 1024px;
    position: relative;
    height: 100%;
    background:url(vistas/img/plantilla/secre.jpeg) center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    background-size: cover;
    
}

.table td.fit, 
.table th.fit {
    white-space: nowrap;
    width: 1%;
}