ul.product-cats li {
    list-style: none;
    margin-left: 0;
    margin-bottom: 4.236em;
    text-align: center;
    position: relative;
}
ul.product-cats li img {
    margin: 0 auto; 
}
.category h3 {
    font-size: 13px;
    line-height: 20px;
    font-family: nkgroup;
    font-weight: 100;
}
.category a {
    color: rgb(38, 38, 38);
    font-family: 'nkgroup';
}
 
@media screen and (min-width:768px) {
 
    ul.product-cats {
        margin-left: 0;
        clear: both;
    }
    ul.product-cats li {
width: 24%;
    float: left;
    margin: 4px;
    box-shadow: 0 4px 20px rgba(0,0,0,.1);
    background: #fff;
    padding: 10px;
    min-height: 140px;
}
    }
    ul.product-cats li:nth-of-type(3) {
        margin-right: 0;
    }
     
}