.pmpro_series_list {
    border-top: 1px solid #DDD;
    list-style: none; 
    margin: 1.45rem 0; 
    padding: 0;
}
.pmpro_series_list li {
    background: #FAFAFA; 
    border-bottom: 1px solid #DDD;
    margin: 0;
    padding: 1.45rem;
}
.pmpro_series_list li:nth-child(odd) { }
.pmpro_series_list li:nth-child(even) {
    background: #FFF;
}
.pmpro_series_list li.pmpro_series_item-li-unavailable {
    color: #888;
}
.pmpro_series_list li {
    display: grid;
    grid-gap: 1rem;
    grid-template-columns:  4fr 2fr;
}
.pmpro_series_list span {
    align-self: center;
}
.pmpro_series_list .pmpro_btn {
    display: block;
}
.pmpro_series_item-unavailable {
    font-style: italic;
    font-size: 90%;
    text-align: right;
}