.slider-for .slick-slide p {
    padding: 10px 60px 20px;
    text-align: center;
} 

.slider-nav .slick-slide {
    cursor: pointer;
    width: 200px !important;
    height: 250px;          
    box-sizing: border-box;
    padding: 10px; 
} 

.slider-nav .slick-slide .slide-preview {
    margin: 4px;
    height: 120px;
    background-position: center center;
    background-repeat: no-repeat;
    background-size: cover;
    opacity: 0.6;
}

.slider-nav .slick-slide.slick-current .slide-preview {
    opacity: 1;
}