<style>
/* ===== Scrollbar CSS ===== */
 /* Firefox */
 * {
 scrollbar-width: auto;
 scrollbar-color:#999 #ffffff;
 }

 /* Chrome, Edge, and Safari */
 *::-webkit-scrollbar {
 width: 3px;
 }

 *::-webkit-scrollbar-track {
 background: #FFFFFF00;
 }

 *::-webkit-scrollbar-thumb {
 background-color: #999;
 border-radius: 0;
 border: 0;
 }
</style>