.select2-container--bootstrap4 .select2-selection--single {
    height : calc(1.5em + 0.75rem + 2px) !important;
}

.select2-container--bootstrap4 .select2-selection--single .select2-selection__placeholder {
    color       : #757575;
    line-height : calc(1.5em + 0.75rem);
}

.select2-container--bootstrap4 .select2-selection--single .select2-selection__arrow {
    position : absolute;
    right    : 3px;
    top      : 50%;
    width    : 20px;
}

.select2-container--bootstrap4 .select2-selection--single .select2-selection__arrow b {
    border-color : #343a40 transparent transparent transparent;
    border-style : solid;
    border-width : 5px 4px 0 4px;
    height       : 0;
    left         : 50%;
    margin-left  : -4px;
    margin-top   : -2px;
    position     : absolute;
    top          : 60%;
    width        : 0;
}

.select2-container--bootstrap4 .select2-selection--single .select2-selection__rendered {
    line-height : calc(1.5em + 0.75rem);
}

.select2-search--dropdown .select2-search__field {
    border        : 1px solid #ced4da;
    border-radius : 0.25rem;
}

.select2-results__message {
    color : #6c757d;
}

.select2-container--bootstrap4 .select2-selection--multiple {
    min-height : calc(1.5em + 0.75rem + 2px) !important;
}

.select2-container--bootstrap4 .select2-selection--multiple .select2-selection__rendered {
    -webkit-box-sizing : border-box;
    box-sizing         : border-box;
    list-style         : none;
    margin             : 0;
    padding            : 0 8px;
    width              : 100%;
}

.select2-container--bootstrap4 .select2-selection--multiple .select2-selection__choice {
    border        : 1px solid #bdc6d0;
    border-radius : 0.2rem;
    color         : #343a40;
    cursor        : pointer;
    float         : left;
    margin-right  : 5px;
    margin-top    : 0.3em;
    padding       : 0;
    padding-right : 5px;
}

.select2-container--bootstrap4 .select2-selection--multiple .select2-selection__choice__remove {
    color         : #bdc6d0;
    float         : left;
    font-weight   : bold;
    margin-left   : 3px;
    margin-right  : 1px;
    padding-left  : 3px;
    padding-right : 3px;
}

.select2-container--bootstrap4 .select2-selection--multiple .select2-selection__choice__remove:hover {
    color : #343a40;
}

.select2-container--bootstrap4 .select2-selection--multiple .select2-selection__clear {
    float        : none;
    margin-right : 0;
    position     : absolute !important;
    right        : 0.7em;
    top          : 0;
}

.select2-container {
    display : block;
}

.select2-container *:focus {
    outline : 0;
}

.input-group .select2-container--bootstrap4 {
    -webkit-box-flex  : 1;
    flex-grow         : 1;
    -ms-flex-positive : 1;
}

.input-group-prepend ~ .select2-container--bootstrap4 .select2-selection {
    border-bottom-left-radius : 0;
    border-top-left-radius    : 0;
}

.input-group > .select2-container--bootstrap4:not(:last-child) .select2-selection {
    border-bottom-right-radius : 0;
    border-top-right-radius    : 0;
}

.select2-container--bootstrap4 .select2-selection {
    background-color   : #fff;
    border             : 1px solid #ced4da;
    border-radius      : 0.25rem;
    -webkit-transition : border-color 0.15s ease-in-out, -webkit-box-shadow 0.15s ease-in-out;
    transition         : border-color 0.15s ease-in-out, -webkit-box-shadow 0.15s ease-in-out;
    transition         : border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
    transition         : border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out, -webkit-box-shadow 0.15s ease-in-out;
    width              : 100%;
}

@media (prefers-reduced-motion : reduce) {
    .select2-container--bootstrap4 .select2-selection {
        -webkit-transition : none;
        transition         : none;
    }
}

.select2-container--bootstrap4.select2-container--focus .select2-selection {
    border-color       : #80bdff;
    -webkit-box-shadow : 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
    box-shadow         : 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.select2-container--bootstrap4.select2-container--focus.select2-container--open .select2-selection {
    border-bottom              : none;
    border-bottom-left-radius  : 0;
    border-bottom-right-radius : 0;
}

.select2-container--bootstrap4.select2-container--disabled .select2-selection, .select2-container--bootstrap4.select2-container--disabled.select2-container--focus .select2-selection {
    background-color   : #e9ecef;
    border-color       : #ced4da;
    -webkit-box-shadow : none;
    box-shadow         : none;
    cursor             : not-allowed;
}

.select2-container--bootstrap4.select2-container--disabled .select2-search__field, .select2-container--bootstrap4.select2-container--disabled.select2-container--focus .select2-search__field {
    background-color : transparent;
}

select.is-invalid ~ .select2-container--bootstrap4 .select2-selection,
form.was-validated select:invalid ~ .select2-container--bootstrap4 .select2-selection {
    border-color : #dc3545;
}

select.is-valid ~ .select2-container--bootstrap4 .select2-selection,
form.was-validated select:valid ~ .select2-container--bootstrap4 .select2-selection {
    border-color : #28a745;
}

.select2-container--bootstrap4 .select2-dropdown {
    border-color  : #ced4da;
    border-radius : 0;
}

.select2-container--bootstrap4 .select2-dropdown.select2-dropdown--below {
    border-bottom-left-radius  : 0.25rem;
    border-bottom-right-radius : 0.25rem;
    border-top                 : none;
}

.select2-container--bootstrap4 .select2-dropdown.select2-dropdown--above {
    border-top              : 1px solid #ced4da;
    border-top-left-radius  : 0.25rem;
    border-top-right-radius : 0.25rem;
}

.select2-container--bootstrap4 .select2-dropdown .select2-results__option[aria-selected=true] {
    background-color : #e9ecef;
}

.select2-container--bootstrap4 .select2-results__option--highlighted,
.select2-container--bootstrap4 .select2-results__option--highlighted.select2-results__option[aria-selected=true] {
    background-color : #5897fb;
    color            : #f8f9fa;
}

.select2-container--bootstrap4 .select2-results__option[role=group] {
    padding : 0;
}

.select2-container--bootstrap4 .select2-results__option[role=group] .select2-results__options--nested .select2-results__option {
    padding-left : 1em;
}

.select2-container--bootstrap4 .select2-results > .select2-results__options {
    max-height : 15em;
    overflow-y : auto;
}

.select2-container--bootstrap4 .select2-results__group {
    color   : #6c757d;
    display : list-item;
    padding : 6px;
}

.select2-container--bootstrap4 .select2-selection__clear {
    background-color : #c8c8c8;
    border-radius    : 100%;
    color            : #f8f9fa;
    float            : right;
    height           : 0.9em;
    line-height      : 0.75em;
    margin-right     : 0.3em;
    margin-top       : 0.7em;
    padding-left     : 0.15em;
    width            : 0.9em;
}

.select2-container--bootstrap4 .select2-selection__clear:hover {
    background-color : #afafaf;
}

.select2-container--bootstrap4 .select2-results__option[aria-disabled=true] {
    color : #aaa;
}