.wb-custom-select {
    position: relative;
    appearance: none;
    -webkit-appearance: none;
    background-color: #f8f9fa;
    border: 2px solid #ced4da;
    border-radius: 0.375rem;
    padding: 0.375rem 2.5rem 0.375rem 0.75rem;
    font-size: 1rem;
    font-weight: 500;
    color: #495057;
    transition: border-color 0.3s, box-shadow 0.3s;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%23495057' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' viewBox='0 0 24 24'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1em;
}
.wb-custom-select:focus {
    border-color: #86b7fe;
    box-shadow: 0 0 0 0.25rem rgba(13,110,253,0.25);
    outline: none;
}