div.row:nth-child(1) {
    justify-content: space-between;
}

div.col-md-6:nth-child(2) {
    flex: unset;
    width: min-content;
}

#gene-trait-matching-table_length > label, #gene-trait-matching-table_filter > label {
    display: inline-flex
}

#gene-trait-matching-table_filter > label:nth-child(1) {
    width: 264px
}

#gene-trait-matching-table_length .custom-select, #gene-trait-matching-table_filter .form-control {
    margin: 0 7px 0 7px;
}

#gene-trait-matching-table tr.selected {
    background-color: #acbad4;
}