Answers for "how to hide scrollbar of particular overflow in html"

css hide scrollbar but allow scroll

html {
  overflow:   scroll;
}
::-webkit-scrollbar {
    width: 0px;
    background: transparent; /* make scrollbar transparent */
}

hide the scrollbar in css if not overflow

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