img {
    max-width: 100%;
    height: auto;
}

.hidden-lg, .hidden-md, .hidden-sm, .hidden-xs {
    display: block;
}

td.hidden-lg, td.hidden-md, td.hidden-sm, td.hidden-xs,
th.hidden-lg, th.hidden-md, th.hidden-sm, th.hidden-xs {
    display: table-cell;
}

.visible-lg, .visible-md, .visible-sm, .visible-xs {
    display: none;
}

.clear-lg, .clear-md, .clear-sm, .clear-xs {
    clear: none;
    display: none;
}

.unclear-lg, .unclear-md, .unclear-sm, .unclear-xs {
    clear: both;
    display: block;
    height: 0;
    overflow: hidden;
    visibility: hidden;
    width: 0;
}

@media only screen and (min-width: 1200px) {

    .hidden-lg,
    td.hidden-lg,
    th.hidden-lg {
        display: none;
    }

    .visible-lg {
        display: block;
    }

    td.visible-lg, th.visible-lg {
        display: table-cell;
    }

    tr.visible-lg {
        display: table-row;
    }

    .clear-lg {
        clear: both;
        display: block;
        height: 0;
        overflow: hidden;
        visibility: hidden;
        width: 0;
    }

    .unclear-lg {
        clear: none;
        display: none;
    }
}