.block_pcast_scroll {
    max-height: 300px;
    overflow-y: auto;
    padding-right: 5px;
    margin-top: 10px;
}
.block_pcast_scroll audio {
    width: 100%;
    box-sizing: border-box;
    margin-bottom: 10px;
}
.pcast-selector {
    margin-bottom: 10px;
}