You can easily add CSS for customizing the addons on your own.

For that, you need the create the required CSS & place it in the app’s Custom CSS setting, and save it.

You can change the font color, font style, and checkbox colors to match your store’s Theme.

You can use the below CSS (Update as required)

/* for addons title*/
.spice-spa-addon-product-title, .spice-spa-addon-product-title *, .spice-spa-addon-product-title .spice-spa-addon-product-link {
    font-family: inherit!important;
    font-size: 15px;
    line-height: 1.25;
    font-weight: 600;
    text-decoration: none;
    color: #000!important;

/* for addons price*/
.spice-spa-addon-product-price {
    font-family: inherit!important;
    font-size: 14px!important;
    color: #000!important;

/* for checkbox*/
span.spice-spa-addon-checkbox-text {
    border-color: #000;
input.spice-spa-addon-checkbox-input:checked+span.spice-spa-addon-checkbox-text {
    background-color: #000;

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