.calendar, .calendar_weekdays, .calendar_content {
    max-width: 300px;
}

.calendar {
    margin: auto;
    font-weight: 400;
}

.calendar_content {
    background: #fff;
}

.calendar_weekdays {
    background: #007fff;
}

.calendar_header {
    padding: 10px 0;
}

.calendar_content, .calendar_weekdays, .calendar_header {
    position: relative;
    overflow: hidden;
}

.calendar_weekdays div {
    display: inline-block;
    vertical-align: top;
    color: #fff !important;
}

.calendar_weekdays div, .calendar_content div {
    width: 14.28571%;
    overflow: hidden;
    text-align: center;
    background-color: transparent;
    color: #000;
    font-size: 16px;
    padding: 15px 0;
}

.calendar_content div {
    border: 1px solid transparent;
    float: left;
    position: relative;
    z-index: 0;
}

.calendar_content div:hover {
    border: 1px solid #dcdcdc;
    cursor: default;
}

.calendar_content div.blank:hover {
    cursor: default;
    border: 1px solid transparent;
}

.calendar_content div.past-date {
    color: #d5d5d5;
}

.calendar_content div.today, .calendar_content div.not-today {
    font-weight: bold;
    font-size: 16px;
    color: #fff !important;
}

.calendar_content div.today:after {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    bottom: 0;
    -webkit-transform: translateY(-50%);
    -ms-transform: translateY(-50%);
    transform: translateY(-50%);
    content: '';
    width: 40px;
    height: 40px;
    border-radius: 50%;
    margin: 0 auto;
    background: #007fff;
    z-index: -1;
    -webkit-box-shadow: 0 5px 11px -9px rgba(0, 0, 0, 0.48);
    -moz-box-shadow: 0 5px 11px -9px rgba(0, 0, 0, 0.48);
    box-shadow: 0 5px 11px -9px rgba(0, 0, 0, 0.48);
}

.calendar_content div.not-today:after {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    bottom: 0;
    -webkit-transform: translateY(-50%);
    -ms-transform: translateY(-50%);
    transform: translateY(-50%);
    content: '';
    width: 40px;
    height: 40px;
    border-radius: 50%;
    margin: 0 auto;
    background: red;
    z-index: -1;
    -webkit-box-shadow: 0 5px 11px -9px rgba(0, 0, 0, 0.48);
    -moz-box-shadow: 0 5px 11px -9px rgba(0, 0, 0, 0.48);
    box-shadow: 0 5px 11px -9px rgba(0, 0, 0, 0.48);
}

.calendar_content div.selected {
    background-color: #ffa500;
}

.calendar_header {
    width: 100%;
    text-align: center;
}

.calendar_header h2 {
    padding: 0 10px;
    font-weight: 500;
    font-size: 20px;
    color: #007fff;
    float: left;
    width: 70%;
    margin: 0 0 10px;
}

button.switch-month {
    background-color: transparent;
    padding: 0;
    outline: none;
    border: none;
    color: #007fff;
    float: left;
    width: 15%;
    -webkit-transition: color .2s;
    -o-transition: color .2s;
    transition: color .2s;
}

button.switch-month:hover {
    color: #007fff;
}