react-week-time-range-picker/src/less/index.less

```js npm install react-week-time-range-picker --save-dev

.week-time-range-picker {
  position: relative;
  display: inline-block;

  .wtrp-schedule {
    background: #598fe6;
    width: 0;
    height: 0;
    position: fixed;
    opacity: 0.6;
    top: 0;
    left: 0;
    pointer-events: none;
    -webkit-transition: all .4s ease;
    -moz-transition: all .4s ease;
    -ms-transition: all .4s ease;
    transition: all .4s ease;
  }

  .wtrp-table {
    background-color: transparent;
    border-collapse: collapse;
  }

  .wtrp-byted-popover-wrapper {
    text-align: left;
    display: inline-block;

    .transition-popover-enter-active,
    .transition-popover-appear {
      opacity: 0;
      animation: popoverTransitionIn .5s;
    }

    .transition-drop-leave-active {
      animation: popoverTransitionOut .5s;
    }

    @keyframes popoverTransitionIn {
      0% {
        opacity: 0;
      }

      100% {
        opacity: 1;
      }
    }

    @keyframes popoverTransitionOut {
      0% {
        opacity: 1;
      }

      100% {
        opacity: 0;
      }
    }

    .ant-tooltip {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      color: rgba(0, 0, 0, 0.65);
      font-size: 14px;
      font-variant: tabular-nums;
      line-height: 1.5;
      list-style: none;
      font-feature-settings: 'tnum';
      position: absolute;
      z-index: 1060;
      display: block;
      max-width: 250px;
      visibility: visible;
    }

    .ant-tooltip-placement-top {

      .ant-tooltip-arrow {
        left: 50%;
        transform: translateX(-50%);
        position: absolute;
        display: block;
        width: 13.07106781px;
        height: 13.07106781px;
        overflow: hidden;
        background: transparent;
        pointer-events: none;
        bottom: -12.07106781px;
      }

      .ant-tooltip-arrow::before {
        position: absolute;
        top: 0;
        right: 0;
        bottom: 0;
        left: 0;
        display: block;
        width: 5px;
        height: 5px;
        margin: auto;
        background-color: rgba(0, 0, 0, 0.75);
        content: '';
        pointer-events: auto;
        box-shadow: 3px 3px 7px rgba(0, 0, 0, 0.07);
        transform: translateY(-6.53553391px) rotate(45deg);
      }

      .ant-tooltip-inner {
        min-width: 30px;
        min-height: 32px;
        padding: 6px 8px;
        color: #fff;
        text-align: left;
        text-decoration: none;
        word-wrap: break-word;
        background-color: rgba(0, 0, 0, 0.75);
        border-radius: 4px;
        -webkit-box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
      }
    }
  }
}