.month-calendar *{
    box-sizing: border-box;
}

.month-calendar ul{
    padding-inline-start: 0 !important;
}

/*month*/

.month-calendar{
    width: 100%;
}

.month-calendar .month{
    text-align: center;
    list-style: none;
}

.month-calendar .month li{
    text-transform: uppercase;
    font-weight: 700;
}

/*week*/

.month-calendar .weekdays{
    display: flex;
    width: 100%;
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: left;
}

.month-calendar .weekdays li{
    display: inline-block;
    flex: 0 0 calc(100% / 7);
    text-align: center;
}

/*days*/

.month-calendar .days{
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    justify-content: left;
    align-content: flex-start;
}

.month-calendar .days li{
    display: inline-block;
    text-align: center;
    flex: 0 0 calc(100% / 7);
}