/* ========================bootstrap special checkboxes=======================*/
.form-group input[type="checkbox"] {
    display: none;
}

    .form-group input[type="checkbox"] + .btn-group > label span {
        width: 20px;
    }

        .form-group input[type="checkbox"] + .btn-group > label span:first-child {
            display: none;
        }

        .form-group input[type="checkbox"] + .btn-group > label span:last-child {
            display: inline-block;
        }

    .form-group input[type="checkbox"]:checked + .btn-group > label span:first-child {
        display: inline-block;
    }

    .form-group input[type="checkbox"]:checked + .btn-group > label span:last-child {
        display: none;
    }body {
}