.principalePLX_3 {
    font-size: 100%;
    width: 96%;
    margin: 5px auto 10px auto;
    border: 0px solid Transparent;
    padding: 0 0 0px 0;
    background-color: transparent;
}

.clearfix_1, .clearfix_1:hover {
    text-align: center;
    color: #4A4444;
    text-transform: uppercase;
    letter-spacing: 3px;
    padding: 1% 0;
    font-size: 5vmin;
}

.cellaPLX_31a {
    text-align: center;
    padding: 0.5% 1% 0.5% 1%;
    border: 0px solid #777777;
    border-radius: 0px;
    box-shadow: 0px 0px 0px 0px #CCCCCC;
    text-decoration: none;
}

.contenitorePLX_3 {
    display: table;
    padding: 0 0 0 0;
    width: 100%;
    vertical-align: middle;
    text-align: center;
    border: 0px solid Green;
    background-color: transparent;
    margin-bottom: 5px;
}

@media screen and (min-width: 100px) and (max-width: 899px) {
    .cellaPLX_31a {
        width: 98%;
        height: 100%;
        display: normal;
    }
}

@media screen and (min-width: 900px) {
    .columnPLX_3 {
        display: table-cell;
    }

    .cellaPLX_31a {
        width: 32%;
        margin: 0 auto 0 auto;
    }
}