.collection-selector {
    margin-bottom: 1.5rem;
}

.collection-selector label {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.collection-selector select {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #ced4da;
    border-radius: 4px;
    background-color: #fff;
    font-size: 1rem;
    line-height: 1.5;
    color: #495057;
}

.collection-selector select:focus {
    border-color: #80bdff;
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(0,123,255,.25);
}