Answers for "hide scrollbar in window"

hide scroll bar

html {
    overflow: scroll;
    overflow-x: hidden;
}
::-webkit-scrollbar {
    width: 0;  /* Remove scrollbar space */
    background: transparent;  /* Optional: just make scrollbar invisible */
}
/* Optional: show position indicator in red */
::-webkit-scrollbar-thumb {
    background: #FF0000;
}

how to hide scrollbar html

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