.ant-anchor {
            position: relative
        }

        .ant-anchor-wrapper {
            background-color: #fff
        }

        .ant-anchor-ink {
            position: absolute;
            height: 100%;
            left: 0;
            top: 0
        }

        .ant-anchor-ink:before {
            content: " ";
            position: relative;
            width: 2px;
            height: 100%;
            display: block;
            background-color: #e9e9e9;
            margin: 0 auto
        }

        .ant-anchor-ink-ball {
            display: none;
            position: absolute;
            width: 9px;
            height: 9px;
            border-radius: 9px;
            border: 3px solid #108ee9;
            background-color: #fff;
            left: 50%;
            transition: top .3s ease-in-out;
            transform: translateX(-50%)
        }

        .ant-anchor-ink-ball.visible {
            display: inline-block
        }

        .ant-anchor.fixed .ant-anchor-ink .ant-anchor-ink-ball {
            display: none
        }

        .ant-anchor-link {
            padding: 8px 0 8px 18px;
            line-height: 1
        }

        .ant-anchor-link .ant-anchor-link {
            padding-top: 6px;
            padding-bottom: 6px
        }

        .ant-anchor-link-title {
            display: block;
            position: relative;
            transition: all .3s;
            color: #666;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            margin-bottom: 8px
        }

        .ant-anchor-link-title:only-child {
            margin-bottom: 0
        }

        .ant-anchor-link-active>.ant-anchor-link-title {
            color: #108ee9
        }

        .ant-anchor-link>.ant-anchor-link {
            font-size: 12px
        }