.calendar {
    position: relative;
    overflow: hidden;
    text-transform: capitalize;
    text-align: center;
    font: 15px/1em inherit;
    color: #545A5C;
}

.calendar a {
    text-decoration: none;
    color: inherit;
}

.calendar header .btn {
    display: inline-block;
    position: absolute;
    width: 30px;
    height: 30px;
    text-align: center;
    line-height: 30px;
    color: #CBD1D2;
    border-radius: 50%;
    border: 2px solid #CBD1D2;
}

.calendar header .btn:hover {
    background: #CBD1D2;
    color: white;
}

.calendar header .btn-prev {
    left: 0;
    top: 0;
}

.calendar header .btn-next {
    right: 0;
    top: 0;
}

.calendar header .month {
    padding: 0;
    margin: 0;
}

.calendar table {
    width: 100%;
    margin: 20px 0 0 0;
    border-spacing: 0px;
}

.calendar thead {
    font-size: 1.2em;
    font-weight: 600;
}

.calendar td {
    padding: 0.8em 0.1em;
}

.calendar .day {
    display: inline-block;
    width: 2em;
    height: 2em;
    line-height: 1.9em;
    border-radius: 50%;
    border: 2px solid transparent;
}

.calendar .day:hover {
    border: 2px solid #6691CC;
}

.calendar .day.today {
    background: #6691CC;
    color: white;
}

.calendar .day.wrong-month {
    color: #CBD1D2;
}

.calendar .day.wrong-month:hover {
    border: 2px solid transparent;
}

.calendar .event-container {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #545A5C;
}

.calendar .filler {
    position: absolute;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: #545A5C;
    transform: translate(-50%, -50%);
}

.calendar .day.selectedDate {
    background: rgb(187, 231, 255);
}