.calendar {
    min-width: 350px;
    max-width: 50%;
    margin: 15px auto 0 auto;
    padding: 0 1em 0 1em;
    background: #eee;
}
.calendar .event {
    color: #333;
    display: block;
    padding: 0.1em;
    transition: all 0.25s ease;
    margin-bottom: 0.5em;
}
.calendar .event:hover {
    background: #d5d5d5;
    text-decoration: none;
    color: #000;
}
.calendar .event_icon {
    width: 3em;
    float: left;
    margin-right: 0.75em;
}
.calendar .event_day,
.calendar .event_month,
.calendar .event_year {
    text-align: center;
}
.calendar .event_month {
    padding: 0.1em;
    margin-bottom: 0;
    background: #c00000;
    font-size: 1em;
    color: #fff;
    border-top-left-radius: 0.3em;
    border-top-right-radius: 0.3em;
}
.calendar .event_day {
    border: 1px solid #999;
    background: #fff;
    color: #000;
    font-size: 1.25em;
    font-weight: 700;
    border-bottom-left-radius: 0.1em;
    border-bottom-right-radius: 0.1em;
}
.calendar .event_year {
    padding: 0.1em;
    margin-top: 0;
    background: #000;
    font-size: 0.7em;
    color: #fff;
    border-bottom-left-radius: 0.3em;
    border-bottom-right-radius: 0.3em;
    text-align: center;
}
.calendar .event-details {
    display: table-cell;
    vertical-align: middle;
}
.calendar .event-title {
    font-size: 1.1em;
    font-weight: 600;
}
.calendar .event-description {
    font-size: 0.8em;
}
.user-online-item .company-name {
    color: #8f8f8f;
    font-size: 10px;
}
@media screen and (max-width: 500px) {
    .calendar {
        min-width: 100%;
    }
}