Modify the Colour of All Scrollbars

Add what's in red in your html

body    { margin:0px; font-family: Verdana, Helvetica, Arial, sans-serif; font-size:x-small;
scrollbar-face-color:Black;scrollbar-arrow-color:blue; scrollbar-track-color:white;scrollbar-highlight-color:red;scrollbar-shadow-color:purple;
scrollbar-3dlight-color:pink;scrollbar-darkshadow-color:violet;  }

Choose your own colours (color code generator)

scrollbar-face-color describes the color for the buttons face and the slide bar
scrollbar-arrow-color describes the color for the arrows

scrollbar-track-color describes the color for the track element of a scroll bar

scrollbar-highlight-color describes the lighter color for buttons (top and left edges)
scrollbar-shadow-color describes the darker color for buttons (bottom and right edges)

scrollbar-3dlight-color describes the lighter color for buttons when not clicked
scrollbar-darkshadow-color describes the darker color for buttons when clicked

Works with Internet Explorer but not with Firefox