html {
scrollbar-base-color: #000066;
scrollbar-arrow-color: #4873E1;
scrollbar-track-color: #000066;

scrollbar-shadow-color: #4873E1;
scrollbar-lightshadow-color: #000066; 
scrollbar-darkshadow-color: #000066;

scrollbar-highlight-color: #4873E1;
scrollbar-3dlight-color: black;
}