.Slider {
    width: 400px;
    overflow: hidden;
    visibility: hidden;
}
.Slide > img {
    max-width: 100%; 
}
.slick-prev,
.slick-next {
    position: absolute;
    top: 50%;
    margin-top: -30px;
    padding: 10px;
    z-index: 10;
    width: 40px;
    height: 40px;
    background-position: center;
    background-repeat: no-repeat;
    cursor: pointer;
}
.slick-prev  {
    left: 0px;
    background-image: url('slick-prev.png');
}
.slick-next {
    right: 0px;
    background-image: url('slick-next.png');
}