change the color of scrollbars

add this in your style .css  to change the color of the scrollbars on my pages in Internet Explorer and Firefox

::-webkit-scrollbar {
width: 12px;
height: 4px;
background: rgba(111, 78, 78, 0.35);
}
::-webkit-scrollbar-thumb {
background-color: rgba(145, 36, 66, 0.99);
-webkit-border-radius: 1ex;
}