.btn-default {
    background-color: #000;
}
.pGriglia1 table[data-target="avtab"] .separator {
    border: none;
    max-height: 5px;
}

.pGriglia1 table[data-target="avtab"] .separator > td {
    max-height: 2px;
    height: 2px;
    border: 0px;
}

.thumb{
    padding-bottom:5px;
}
.thumb img {
    cursor: pointer;
}

/* basic positioning */
.legend {
    list-style: none; 
}

    .legend li {
        float: left;
        margin-right: 10px;
    }

    .legend span {
        border: 1px solid #ccc;
        float: left;
        width: 12px;
        height: 12px;
        margin: 2px;
    }

   


@media screen and (max-width: 1200px){
    .navbar-brand img {
        max-width: 160px;
    } 
}