.calendar-container ul {
    margin: 0;
    padding: 0;
    width: 100%;
    display: flex;
    list-style: none;
}

.calendar-container ul.calendar-weekdays-list {
    background: #35ab75;
    height: 40px;
}

.calendar-container li {
    margin-right: -1px;
    margin-bottom: -1px;
    padding: 5px;
    width: 14.342%;
    box-sizing: border-box;
    border: 1px solid #ccc;
    display: block;
    float: left;
    flex: 1 1 auto;
}

.calendar-container .calendar-weekdays-list li {
    padding: 10px 6px;
    border: none !important;
    line-height: 20px;
    text-align: center;
    text-transform: uppercase;
    font-size: 1.3rem;
    color: #fff;
}

.calendar-container .calendar-days-list li {
    min-height: 160px;
}

.calendar-container .calendar-days-list li:hover {
    background: #d3d3d3;
}

.calendar-container .calendar-days-list__item__other-month {
    background: #f5f5f5;
    color: #666;
}

.calendar-container .calendar-days-list__item__date {
    background: #898e94;
    margin-bottom: 7px;
    padding: 2px;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    float: right;
    text-align: center;
    font-weight: bold;
    font-size: 1.5rem;
    color: #fff;
}

.calendar-container .calendar-days-list__item__other-month .calendar-days-list__item__date {
    background: #fff;
    color: #898e94;
}

.calendar-container .calendar-days-list__item__date .calendar-days-list__item__date__extra {
    display: none;
    visibility: visible;
}

.calendar-container .calendar-heading {
    background: #35ab75;
    margin: 0;
    padding: 6px;
    text-align: center;
    color: #fff;
}

@media screen and (max-width: 920px) {
    .calendar-container .calendar-weekdays-list,
    .calendar-container .calendar-days-list__item__other-month {
        display: none;
    }

    .calendar-container ul {
        display: block;
    }

    .calendar-container li {
        margin-bottom: -1px;
        padding: 10px;
        width: 100%;
        height: auto !important;
        border: 1px solid #ededed;
        flex: initial;
    }

    .calendar-container .calendar-days-list li {
        min-height: 0;
    }

    .calendar-container .calendar-days-list__item__date {
        border-radius: 5px;
        padding: 2px 4px;
        float: none;
    }

    .calendar-container .calendar-days-list__item__date .calendar-days-list__item__date__extra {
        display: inline-block;
        visibility: visible;
    }
}