.bootstrap-select {
    border: 2px solid #DFE6EB;
    background-color: #fff;
}

.bootstrap-select button {
    background-color: #fff !important;
}

.dropdown.bootstrap-select .show a {
    background-color: #fff;
}

.dropdown.bootstrap-select .show li.selected a {
    background-color: #007bff;
}


.dropdown.bootstrap-select .show li.active a {
    background-color: #007bff;
    color: #fff;
}