.select2-container--default .select2-results__option--highlighted[aria-selected] {
    background-color: #4679CC;
}

.select2-container--classic .select2-selection--single:focus {
    border: 1px solid #4679CC;
}

.select2-container--default.select2-container--open.select2-container--below .select2-selection--single {
    border-color: #4679CC;
}

.select2-container--open .select2-dropdown--below {
    border-color: #4679CC;
}

.select2-container .select2-results__option[aria-selected='true'] {
    background-color: #aac1e8;
}
.select2-container--default.select2-container--focus.select2-container--below .select2-selection--single {
    border-color: #4679CC;
}