ant-design/components/tabs/style/rtl.less

@import '../../style/themes/index';
@import '../../style/mixins/index';

@tab-prefix-cls: ~'@{ant-prefix}-tabs';

.@{tab-prefix-cls} {
  &-rtl {
    direction: rtl;

    .@{tab-prefix-cls}-nav {
      .@{tab-prefix-cls}-tab {
        margin: @tabs-horizontal-margin-rtl;

        &:last-of-type {
          margin-left: 0;
        }

        .@{iconfont-css-prefix} {
          margin-right: 0;
          margin-left: @margin-sm;
        }

        .@{tab-prefix-cls}-tab-remove {
          margin-right: @margin-xs;
          margin-left: -@margin-xss;

          .@{iconfont-css-prefix} {
            margin: 0;
          }
        }
      }
    }

    &.@{tab-prefix-cls}-left {
      > .@{tab-prefix-cls}-nav {
        order: 1;
      }
      > .@{tab-prefix-cls}-content-holder {
        order: 0;
      }
    }

    &.@{tab-prefix-cls}-right {
      > .@{tab-prefix-cls}-nav {
        order: 0;
      }
      > .@{tab-prefix-cls}-content-holder {
        order: 1;
      }
    }
  }

  // ====================== Card ======================
  &-card {
    &.@{tab-prefix-cls}-top,
    &.@{tab-prefix-cls}-bottom {
      > .@{tab-prefix-cls}-nav,
      > div > .@{tab-prefix-cls}-nav {
        .@{tab-prefix-cls}-tab:not(:last-of-type) {
          .@{tab-prefix-cls}-rtl& {
            margin-right: 0;
            margin-left: @tabs-card-gutter;
          }
        }
      }
    }
  }
}

.@{tab-prefix-cls}-dropdown {
  &-rtl {
    direction: rtl;
  }
  &-menu-item {
    .@{tab-prefix-cls}-dropdown-rtl & {
      text-align: right;
    }
  }
}