.shop__cats ul.product-categories li a::before {
    display: none;
}
.shop__cats ul.product-categories li img {
   width: 50px;
   height: 50px;
   object-fit: cover;
    margin-right: 10px;
}
.submenu img  {
    margin: 3px 0;
    width: 40px;
    height: 40px;
    object-fit: cover;
    margin-right: 10px;
}