.select2-container--default .select2-selection--single {
    background-color: #fff;
    border: 1px solid #000 !important;
    border-radius: 0px;
    height: 19px;
    overflow: hidden;
}

.select2-container--default .select2-selection--single .select2-selection__rendered {
    color: black;
    line-height: 1.5em;
    background-color: #fff;
    border: initial;
    border-radius: initial;
    padding-left: 4px;
}
    .select2-container--default .select2-selection--single .select2-selection__arrow {
        height: 26px;
        position: absolute;
        top: -3px;
        right: 1px;
        width: 20px;
    }
.select2-selection--single .select2-selection__arrow b {
    border-color: black transparent transparent transparent !important;
}