:root{
    --negro:#000000;
    --amarillo:#fdd000;
   
    --gris:#5d6d7c;
    --melon:#e3a765;
}

*{
    margin:0;
    padding:0;
}


.titulo{
    color: white;
    text-decoration: underline;
    text-align: center;
}
.subtitulo{
    color: var(--negro);
}
.imagen-nota{
    width: 75px;
    height: 65px;
    padding: 10px;
    
}
.spacing{
    margin-top: 25px;
    margin-bottom: 15px;
}
.tablehead{
    color: white;
    background-color: black;
    font-family: sans-serif;
    font-size: 15px;
}
#myBtn {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 99;
  }
.oculto{
    display: none;
}