.swiper-wrapper{
    height:max-content;
}

.swiper-button-next,
.swiper-button-prev {
    position: absolute;
    top: 50% !important; /* Forces them to the vertical middle */
    transform: translateY(-50%) !important; /* Perfects the vertical alignment */
    z-index: 10; /* Keeps them clickable and above the slides */
    margin-top: 0 !important; /* Removes any weird margins your theme might add */
}
.homework-slider:not(:hover) .swiper-button-next,
.homework-slider:not(:hover) .swiper-button-prev {
    opacity: 0;
    transition: opacity .2s ease-in-out;
}
.homework-slider:hover .swiper-button-next,
.homework-slider:hover .swiper-button-prev {
    transition: opacity .2s ease-in-out;
}