CSS

html scrollable without scroll bar

.keep-scrolling {
  background-color: #eee;
  width: 200px;
  height: 100px;
  border: 1px dotted black;
  overflow-y: scroll; /* Add the ability to scroll y axis*/
}

/* Hide scrollbar for Chrome, Safari and Opera */
.keep-scrolling::-webkit-scrollbar {
    display: none;
}

/* Hide scrollbar for IE, Edge and Firefox */
.keep-scrolling {
  -ms-overflow-style: none;  /* IE and Edge */
  scrollbar-width: none;  /* Firefox */
}