.calendar {
    text-align: center;
    width: 300px;
    margin: 0 auto;
}

.month {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 10px;
}

.days {
    display: flex;
    justify-content: space-between;
    background-color: #f0f0f0;
    padding: 5px 0;
}

.day {
    width: 30px;
    font-weight: bold;
}

.dates {
    display: grid;
    grid-template-columns: repeat(7, 30px);
    gap: 5px;
}

.date {
    width: 30px;
    height: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid #ccc;
}

.absent {
    background-color: red;
    color: white;
}