.parameters {
    width: 519px;
}
.products_details .related dd div.item>a {
    display: block;
    border: 1px solid #ddd;
}

.products_details .related dd div.item>a img {
    max-width: 100%;
}

.products_details .related dd div.item:nth-of-type(4n) {
    margin-right: 0;
}

.products_details .related dd div.item:nth-of-type(4n+1) {
    clear: both;
}

.products_details .related dd div.item h2 {
    display: block;
    margin-top: 8px;
    margin-bottom: 8px;
}
.products_details .related dd div.item {
    background: none;
    display: inline;
    float: left;
    line-height: 18px;
    text-align: center;
    margin-bottom: 10px;
    margin-right: 15px;
    padding-left: 6px;
    width: 194px;
}