/* Fix of misalignment of invalid mandatory dropdown */
.input-group > .bootstrap-select-wrapper {
    position: relative;
    -webkit-box-flex: 1;
    -ms-flex: 1 1 auto;
    flex: 1 1 auto;
    width: 1%;
    min-width: 0;
    margin-bottom: 0
}
/* Fix of misalignment of button */
.input-group .btn-outline-secondary {
    max-height: 40px;
}