.iot-tab 
  display: flex;
  height: 100%;
  flex-direction: column;
  &-nav
    display flex
    height 62px
    justify-content center
    align-items center
    li
      position relative
      padding 0 18px
      color #4A5A78
      font-size 16px
      &.iot-tab-active
        color #0082FF
        &:before
          position absolute
          bottom -8px
          left 50%
          width 20px
          height 2px
          margin-left -10px
          border-radius 3px
          background #007FFF
          box-shadow 0px 2.5px 2px rgba(0, 130, 255, .4)
          content ''
  &-content
    height 100%