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

@import '../../style/themes/index';
@import '../../style/mixins/index';
@import './size';
@import './rtl';
@import './position';
@import './dropdown';
@import './card';

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

.@{tab-prefix-cls} {
  .reset-component();

  display: flex;
  overflow: hidden;

  // ========================== Navigation ==========================
  > .@{tab-prefix-cls}-nav,
  > div > .@{tab-prefix-cls}-nav {
    position: relative;
    display: flex;
    flex: none;
    align-items: center;

    .@{tab-prefix-cls}-nav-wrap {
      position: relative;
      display: inline-block;
      display: flex;
      flex: auto;
      align-self: stretch;
      overflow: hidden;
      white-space: nowrap;
      transform: translate(0); // Fix chrome render bug

      // >>>>> Ping shadow
      &::before,
      &::after {
        position: absolute;
        z-index: 1;
        opacity: 0;
        transition: opacity @animation-duration-slow;
        content: '';
        pointer-events: none;
      }
    }

    .@{tab-prefix-cls}-nav-list {
      position: relative;
      display: flex;
      transition: transform @animation-duration-slow;
    }

    // >>>>>>>> Operations
    .@{tab-prefix-cls}-nav-operations {
      display: flex;
      align-self: stretch;

      &-hidden {
        position: absolute;
        visibility: hidden;
        pointer-events: none;
      }
    }

    .@{tab-prefix-cls}-nav-more {
      position: relative;
      padding: @tabs-card-horizontal-padding;
      background: transparent;
      border: 0;

      &::after {
        position: absolute;
        right: 0;
        bottom: 0;
        left: 0;
        height: 5px;
        transform: translateY(100%);
        content: '';
      }
    }

    .@{tab-prefix-cls}-nav-add {
      min-width: @tabs-card-height;
      margin-left: @tabs-card-gutter;