.products {
    display: flex;
    flex-wrap: wrap;
}

.product_item_wrap {
    border: 1px solid black;
    width: 33%;
    display: flex;
    justify-content: center;
}

.product_item {
    margin: 0 auto;
}

.product_item p a {
    border: 1px solid black;
    display: inline-block;
    width: 5rem;
    hright: 2rem;
}

.product_item p a:hover {
    background: aqua;
}