Answers for "how to hide the scroll bar"

hide scrollbar css

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

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

css stop scrollbar

html {
    scrollbar-width: none; /* For Firefox */
    -ms-overflow-style: none; /* For Internet Explorer and Edge */
}

html::-webkit-scrollbar {
    width: 0px; /* For Chrome, Safari, and Opera */
}

hide scrollbar css

.container {
    overflow-y: scroll;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none;  /* Internet Explorer 10+ */
}
.container::-webkit-scrollbar { /* WebKit */
    width: 0;
    height: 0;
}

how to hide scrollbar html

<style type="text/css">
    body {
        overflow-y: hidden;
    }
</style>