Answers for "overflow scroll don't hide"

css hide scrollbar

// Sass Mixing
@mixin hideScrollbar {
  &::-webkit-scrollbar {
    width: 0 !important
  }
  -ms-overflow-style: none;
  scrollbar-width: none;
}

hide the scrollbar in css if not overflow

.myClass {
  /*auto will remove and add the scroll bar as needed*/
  overflow: auto;
}