Answers for "change scrollbar color"

change scrollbar color

body::-webkit-scrollbar {
  width: 12px;               /* width of the entire scrollbar */
}

body::-webkit-scrollbar-track {
  background: orange;        /* color of the tracking area */
}

body::-webkit-scrollbar-thumb {
  background-color: blue;    /* color of the scroll thumb */
  border-radius: 20px;       /* roundness of the scroll thumb */
  border: 3px solid orange;  /* creates padding around scroll thumb */
}

change scrollbar color

.scrollable-element {
  scrollbar-color: red yellow; /* red is for the thumb and yellow is for the track */
}

javascript on scroll change nav color

$(function () {
  $(document).scroll(function () {
    var $nav = $(".navbar-fixed-top");
    $nav.toggleClass('scrolled', $(this).scrollTop() > $nav.height());
  });
});

scrollbar with 2 different colors on same page css

::-webkit-scrollbar-track {
    background-color: #333;
}

/* Override styles for <div>s, for example */
div::-webkit-scrollbar-track {
    background-color: #b13131;
}