:root{
    --black-principal:#333
}
.body-principal{    
    background: linear-gradient(rgba(255,255,255,0.1), rgba(255,255,255,0.1)), url(../../../imagenes/background.webp);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}
.float-btn{
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

@media print{
    body,html{margin:0}
    .pdf-print-container{margin:0!important;padding:0!important}
}