.select2-container--default .select2-selection--single {
    background-color: #fff;
    border: 1px solid #aaa;
    border-radius: 0;
}
.select2-container .select2-selection--single {
    box-sizing: border-box;
    cursor: pointer;
    display: block;
    height: 35px;
    user-select: none;
    -webkit-user-select: none;
}