.product-quantity-controls {
    display: flex;
    align-items: center;
    padding: 0px 0px;
    margin: 0 auto;
}

.product-quantity-controls .quantity-control, .product-quantity-controls .collage-quantity-control, .product-quantity-controls .sus-quantity-control {
    margin: 0 3px; /* Add margin between buttons and input box */
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center; /* Center content horizontally */
}

.product-quantity-controls .quantity-input {
    width: 35px;
    height: 36px;
    text-align: center; /* Center text horizontally */
    display: flex; /* Use flexbox */
    justify-content: center; /* Center content horizontally */
    align-items: center; /* Center content vertically */
}