.ks-tab {
  height: 100%;
  .nav {
    position: relative;
    z-index: 1;
    height: 55px;
    border-width: 1px;
    border-style: solid;
    border-left: none;
    border-right: none;
    ul {
      width: 990px;
      margin: 0 auto;
      li {
        position: relative;
        float: left;
        width: 12.5%;
        height: 55px;
        line-height: 52px;
        margin-bottom: -2px;
        padding: 0 12px;
        border-bottom-width: 3px;
        border-bottom-style: solid;
        font-size: 16px;
        text-align: center;
        cursor: pointer;
        em {
          position: absolute;
          top: 10px;
          left: 50%;
          height: 12px;
          margin-left: 20px;
          line-height: 12px;
          font-size: 12px;
        }
        em.lang {
          margin-left: 28px;
        }
      }
      li.normal {
        border-color: transparent;
      }
    }
  }
  .panel {
    height: calc(100% - 55px);
  }
}