.tabu{
    background: #F3F1F1;
}

.tabis{
    background-color: #A0BB96;
}

.tabu td{
    padding: 1px;
    border: 1px solid grey;
}

.link{
    text-decoration: none;
}

.big{
    box-shadow: 0px 0px 6px 1px #000;
    transition: 0.5s;
}

.big:hover {
    transform: scale(1.1);
}

.foto span{
    visibility: hidden;
    position: absolute;
 }

.foto:hover span
 {
    visibility: visible;
 }