/* Arrows */
.slick-prev,
.slick-next
{
    font-size: 0;
    line-height: 0;
    position: absolute;
    top: 20%;
    display: block;
    margin-top: -10px;
    padding: 0;
    cursor: pointer;
    color: transparent;
    border: none;
    outline: none;
    background: transparent;
    width:31px;
    height:62px;
}

.slick-prev {background-image:url(previous.png)}
.slick-next {background-image:url(next.png)}

.slick-prev {left: -25px;}
.slick-next {right: -25px;}