@media screen and (min-width: 441px) and (max-width: 767px) {
    .col-xs-12 {
        text-align: center;
    }
    .col-xs-12 input {
        text-align: center;
    }
    .col-xs-12-6 {
        width: 50%;
        margin-bottom: 15px;
    }

    .col-xs-12-8 {
        width: 66.666667%;
        margin-bottom: 15px;
    }

    .col-xs-12-12 {
        width: 100% !important;
        margin-bottom: 15px;
    }

    .col-xs-12-4 {
        width: 33.33333% !important;
        margin-bottom: 15px;
    }

    .col-xs-12-3 {
        width: 25% !important;
        margin-bottom: 15px;
    }
}