tweb-i2p/src/scss/partials/_scrollable.scss

html:not(.is-safari):not(.is-ios) {
  .scrollable::-webkit-scrollbar {
    width: 0;
    height: 0;
    opacity: 0; // for safari
    width: .375rem;
  }
  
  .scrollable::-webkit-scrollbar-thumb {
    width: 0;
    height: 0;
  }
  
  ::-webkit-scrollbar-thumb {
    opacity: 0;
    transition: .2s ease-in-out;
  }
  
  ::-webkit-scrollbar-button {
    width: 0;
    height: 0;
    display: none;
  }
  
  ::-webkit-scrollbar-corner {
    background-color: transparent;
  }
  
  .scrollable:hover::-webkit-scrollbar {
    opacity: 1; // for safari
  }
  
  .scrollable:hover::-webkit-scrollbar-thumb {
    height: 200px;
    border-radius: $border-radius-medium;
    background-color: rgba(0, 0, 0, .2);
    opacity: 1;
  }
}

.scrollable-x::-webkit-scrollbar {
  display: none; // for safari iOS
}

.scrollable {
  width: 100%;
  height: 100%;
  overflow-y: hidden;
  overflow-x: hidden;
  max-height: 100%;
  transform: translateZ(0);

  //@include respond-to(not-handhelds) {
    position: absolute;
    top: 0px;
    left: 0px;
    bottom: 0px;
    right: 0px;
  //}

  -webkit-overflow-scrolling: touch;

  &.scrollable-x {
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }

  &.scrollable-y {
    overflow-y: auto;
    overflow-y: overlay;
    scrollbar-width: none;
    -ms-overflow-style: none;

    html.is-safari & {
      overflow-y: scroll;
    }
  }

  &-padding {
    min-width: 100%;
    height: 100%;
  }

  /* html.is-safari &-padding {
    margin-right: -6px;
  } */
}