.product-availability-in-stock
{
    color: white;
    background-color: green;
    padding: 10px;
    border: 1px;
    border-color: green;
}

.product-availability-backorder
{
    color: white;
    background-color: orange;
    padding: 10px;
    border: 1px;
    border-color: orange;
}

.product-availability-out-of-stock
{
    color: white;
    background-color: red;
    padding: 10px;
    border: 1px;
    border-color: red;
}