.picture-thumbs .slick-prev {
    right: 0;
    left: auto;
}
.picture-thumbs .slick-next {
    left: 0;
    right: auto;
}
.picture-thumbs .slick-prev:after {
    content: "\e915";
}
.picture-thumbs .slick-next:after {
    content: "\e914";
}