.calendar-popup-close {
  display: block;
  font-size: 1px;
  right: -8px;
  top: 0;
  height: 35px;
  position: absolute;
  width: 20px;
  i {
    background-position: 4px -151px;
    display: block;
    height: 15px;
    margin: 10px 0 0 0;
    width: 15px;
  }
  &:hover i {
    background-position: 4px -169px;
    background-color: #e8e8e8;
  }
}