osxscrollbar.sass

  .#{$ns}-chat-list
    position: absolute
    top: 35px
    width: 100%
    overflow-y: scroll
    bottom: 0px
    border-left: 1px solid rgba($color-blue, 0.4)
    border-right: 1px solid rgba($color-blue, 0.4)

    &::-webkit-scrollbar
      -webkit-appearance: none

    &::-webkit-scrollbar:vertical
      width: 11px

    &::-webkit-scrollbar:horizontal
      height: 11px

    &::-webkit-scrollbar-thumb
      border-radius: 8px
      border: 2px solid $color-white
      background-color: rgba(0,0,0, .5)