.sb_time_slots_wrapper {
    position: relative;
}

.sb_time_slots_wrapper::before {
    content: "Note: Numbers like 12/12 show how many slots are still available. Example: 12/12 = fully open.";
    display: block;
    background: #f0f8ff;
    padding: 10px;
    margin-bottom: 15px;
    border-radius: 6px;
    font-weight: bold;
    font-size: 15px;
}