.ndl-radio-list.ng-invalid.ndl-submitted, .ndl-radio-list.ng-invalid.ndl-touched {
    border-style: solid;
    border-radius: 5px;
    border-width: 1px;
}

.ndl-radio-list > div {
    margin-left: 5px;
}

.ndl-radio-list .ndl-radio-first {
    margin-top: 0px;
}

.ndl-radio-list .ndl-radio-last {
    margin-bottom: 0px;
}