// to add for existing ones
.al-info--nmr
  position relative
  i
    display none
    margin 0
    position absolute
    right 0
    &:hover
      .al-info--additionalData
        display block

.al-info .al-info__list--main li:hover
  .al-info--nmr
    i
      display inline-block

// new class
.al-info--additionalData
  display none
  position absolute
  top 24px
  left -26px
  background-color #ffe086
  border-left 2px solid #e1ab0d
  box-shadow 2px 2px 2px 0px rgba(black,0.4)
  padding 2px 2px 2px 0
  z-index 10
  width 500px
  &:before
    content ' '
    width 0 
    height 0
    position absolute
    top -5px
    left 25px
    border-left 5px solid transparent
    border-right 5px solid transparent
    border-bottom 5px solid #ffe086
  table
    border-collapse collapse
    width 100%
    font-size 10px
  tr
    border-bottom 1px solid #e1ab0d
    &:last-child
      border-bottom none
  td
    padding 4px
    &:first-child
      // width 25% работает, если надо фиксированное
      font-weight bold