.product-selector {
    list-style: none;
    height: 100%;
    margin: 0 max(calc((100% - 767px)/2),var(--side-margin));
    padding: 0;
    display: flex;
    flex-flow: row wrap;
    justify-content: center;
    overflow: scroll;
    align-content: flex-start;
}
.product-selector li {
    width: 33%;
    min-width: 250px;
    text-align: center;
}
.product-selector img {
    height: 80px;
    margin: 2em auto;
}