.slider .slick-slide img {
    width: 100%;
}
.slick-prev, .slick-next {
    width: 70px;
    height: 70px;
    z-index: 1;
}
.slick-prev {
    left: 5px;
}
.slick-next {
    right: 5px;
}
.slick-prev:before, 
.slick-next:before {
    font-size: 40px;
    text-shadow: 0 0 10px rgba(0,0,0,0.5);
}
/* move dotted nav position */
.slick-dots {
    bottom: 15px;
}
/* enlarge dots and change their colors */
.slick-dots li button:before {
    font-size: 12px;
    color: #fff;
    text-shadow: 0 0 10px rgba(0,0,0,0.5);
    opacity: 1;
}
.slick-dots li.slick-active button:before {
    color: #dedede;
}
/* hide dots and arrow buttons when slider is not hovered */
.slider:not(:hover) .slick-arrow,
.slider:not(:hover) .slick-dots {
    opacity: 0;
}
/* transition effects for opacity */
.slick-arrow,
.slick-dots {
    transition: opacity 0.5s ease-out;
}