.datePicker {
  position: relative;
  box-sizing: border-box;
}
.datePicker *,
.datePicker *:before,
.datePicker *:after {
  box-sizing: inherit;
}
.datePicker__input {
  border: 1px solid rgba(0, 0, 0, 0.12);
  height: 30px;
  padding: 2px 5px;
  border-radius: 3px;
  font-size: 15px;
}
.datePicker__input--disabled {
  cursor: not-allowed;
}
.datePicker__calendar {
  position: absolute;
  z-index: 1;
  border: 1px solid #2e2e2e;
  border-radius: 3px;
  background: #fff;
  left: 0;
  top: 30px;
  padding: 5px;
}
.datePicker__calendar__header {
  text-align: center;
}
.datePicker__year {
  border: none;
}
.datePicker__month {
  border: none;
}
.datePicker__day {
  padding: 5px;
  text-align: right;
  cursor: pointer;
}
.datePicker__day:hover {
  outline: 1px solid #0b97c4;
}
.datePicker__day--today {
  color: red;
  font-weight: bold;
}
.datePicker__day--disabled:hover {
  outline: none;
  cursor: default;
}
.datePicker__prev {
  width: 20px;
  height: 30px;
  display: inline-block;
  vertical-align: middle;
  cursor: pointer;
  background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABQAAAAeCAYAAAAsEj5rAAAAUklEQVR42u3VMQoAIBADQf8Pgj+OD9hG2CtONJB2ymQkKe0HbwAP0xucDiQWARITIDEBEnMgMQ8S8+AqBIl6kKgHiXqQqAeJepBo/z38J/U0uAHlaBkBl9I4GwAAAABJRU5ErkJggg==);
}
.datePicker__next {
  width: 20px;
  height: 30px;
  display: inline-block;
  vertical-align: middle;
  cursor: pointer;
  background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABQAAAAeCAYAAAAsEj5rAAAAU0lEQVR42u3VOwoAMAgE0dwfAnNjU26bYkBCFGwfiL9VVWoO+BJ4Gf3gtsEKKoFBNTCoCAYVwaAiGNQGMUHMkjGbgjk2mIONuXo0nC8XnCf1JXgArVIZAQh5TKYAAAAASUVORK5CYII=);
}
.datePicker__btn {
  background-color: #45b7e8;
  border: 1px solid rgba(0, 0, 0, 0.12);
  color: white;
  font-size: 16px;
  cursor: pointer;
}
.datePicker__btnGroup {
  text-align: center;
}