#calendar {
    position: fixed;
    z-index: 9999;
    top: 0;
    left: 0;
    display: none;
    width: 100%;
    height: 100%;
}

#calendar #calendar_bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.5;
    border: 1px solid red;
    background: #ddd;
}

#calendar .calendar {
    position: relative;
    z-index: 99999;
    top: 40%;
    display: table;
    width: 90%;
    max-width: 250px;
    margin: 0 auto;
    padding: 10px;
    vertical-align: middle;
    border: 1px solid black;
    background: white;
}

#calendar table {
    text-align: center;
    font-size: 12px;
    border: 1px solid #ddd;
}

#calendar table thead th {
    padding: 2px;
    border-collapse: collapse;
    text-align: center;
    border: 1px solid #ddd;
    background: #f5f5f5;
}

#calendar table tbody td {
    padding: 2px;
    border-collapse: collapse;
    cursor: pointer;
    text-align: center;
    border: 1px solid #ddd;
}

#calendar table tbody td a {
    display: block;
}

#calendar .calendar_top {
    overflow: hidden;
    padding: 5px 5px 10px;
    text-align: right;
}

#calendar .calendar_top a {
    color: black;
    font-size: 12px;
}

#calendar .calendar_top select,
#calendar .calendar_top a,
#calendar .calendar_top input {
    vertical-align: middle;
}

#calendar .c_btn {
    padding: 3px;
    border: 1px solid #ddd;
}

#calendar .c_btn:hover {
    background: #eee;
}

#calendar .calendar .blue {
    color: blue;
}

#calendar .calendar .red {
    color: red;
}

#calendar .calendar .green {
    color: green;
}

#calendar .calendar .font11 {
    color: black;
}

#calendar .calendar .today .font11 {
    color: #11bbaa;
}