message: fix(datepicker): fix css issue when showWeekNumbers=false for daterangepicker
diff: margin: 0 auto;
  font-size: 13px;
  border-radius: 50%;
  - position: relative;
  /*z-index: 1;*/
  -moz-user-select: none;
  -webkit-user-select: none;
  z-index: -1;
  top: 6px;
  bottom: 6px;
  - left: -2px;
  + left: -3px;
  right: -2px;
  box-sizing: content-box;
  background: transparent;
  &.select-start {
  z-index: 2;
  }
  - &.is-highlighted.in-range:before,
  + &.is-highlighted.in-range:before {
  + right: 3px;
  + left: 0;
  + }
  &.in-range.select-end:before {
  - background: none;
  - right: 0;
  + right: 4px;
  left: 0;
  }
  }
  