ant-design/style/components/rate.less

@rate-prefix-cls: ant-rate;
@rate-star-color: #f5a623;

.@{rate-prefix-cls} {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 18px;
  display: inline-block;
  vertical-align: middle;
  font-family: 'anticon';
  font-weight: normal;
  font-style: normal;
  -webkit-font-smoothing: antialiased; /* 解决safair和chrome被加粗 */
  -webkit-text-stroke-width: 0.2px; /* 解决chrome锯齿 */
  -webkit-tap-highlight-color: transparent;

  &-disabled &-star {
    &:before,
    &-content:before {
      cursor: default;
    }
    &:hover {
      transform: scale(1);
    }
  }

  &-star {
    margin: 0;
    padding: 0;
    display: inline-block;
    margin-right: 8px;
    position: relative;
    transition: all 0.3s ease;

    &:hover {
      transform: scale(1.1);
    }

    &:before,
    &-content:before {
      color: #e9e9e9;
      cursor: pointer;
      content: "\E694";
      transition: all 0.3s ease;
      display: block;
    }

    &-content {
      position: absolute;
      left: 0;
      top: 0;
      width: 50%;
      height: 100%;
      overflow: hidden;
      &:before {
        color: transparent;
      }
    }

    &-half &-content:before,
    &-full:before {
      color: @rate-star-color;
    }

    &-half:hover &-content:before,
    &-full:hover:before {
      color: tint(@rate-star-color, 20%);
    }
  }

  &-text {
    margin-left: 8px;
    vertical-align: middle;
    display: inline-block;
    font-size: @font-size-base;
  }
}