calender.css

.date {
  width: 200px;
  font-size: 12px;
  font-family: lucida grande, lucida;
  display: none;
  position: absolute;
  user-select: none;
  -webkit-user-select: none;
  z-index: 999999999;
}
.date.active {
  display: block;
}
.date table {
  width: 100%;
  background-color: #222;
  border-radius: 5px;
  border-collapse: collapse;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
  cursor: default;
}
.date table tr.date-header th {
  text-align: center;
}
.date table th.date-month-year {
  color: yellow;
}
.date table tr.date-daysofweek th {
  color: #aaa;
}
.date table tbody tr:hover,
.date table tbody td.hover {
  background-color: #333;
}
.date table td,
.date table th {
  color: #fff;
  font-weight: bold;
  text-align: right;
  border: 0;
  padding: 5px;
}
.date table tbody td,
.date tr.date-daysofweek th {
  border-right: 2px groove #444;
}
.date table tbody td:last-child,
.date table tr.date-daysofweek th:last-child {
  border-right-width: 0;
}
.date table td.today {
  color: yellow;
}
.date table .inactive {
  color: #555;
}
.date-month-previous {
  -webkit-transform: rotate(180deg);
}