.slider {
    width: 960px;
    display:none;/*hides the slider at first*/
}

.slider.slick-initialized {/*shows the slider once ready*/
display: block;
}

.slick-slide {
  margin: 0px 2px;
}

.slick-slide img {
  width: 100%;
}

.slick-prev:before,
.slick-next:before {
    color: black;
}