.gallery__button {
    filter: invert(40%);
    width: 2.75vw;
    height: auto;
    cursor: pointer;
}

.gallery__button:hover {
    filter: invert(30%);
}

.gallery__button_left {
    transform: rotate(180deg);
}

.gallery_light .gallery__button {
    filter: invert(100%);
}

.gallery_light .gallery__button:hover {
    filter: invert(80%);
}

@media screen and (max-width: 1000px) and (orientation: portrait) {
    .gallery__button {
        width: 4vw;
    }   
}