.custom-widget-container .splide__arrow--prev {
    right: auto;
}

.custom-widget-container .splide__arrow--next {
    left: auto;
}

.custom-widget-container .splide__arrow-icon-left:before {
    content: var(--arrow-left);
}
.custom-widget-container .splide__arrow-icon-right:before {
     content: var(--arrow-right);
}