.scrollbar-sidebar {
  z-index: 15;
  width: 100%;
  height: calc(100vh - 57px);
  overflow: auto;
}
::-webkit-scrollbar {
  width: 7px;
}

/* Track */
::-webkit-scrollbar-track {
}
 
/* Handle */
::-webkit-scrollbar-thumb {
  background: rgba(0,0,0,0.5); 
}

/* Handle on hover */
::-webkit-scrollbar-thumb:hover {
  background: rgba(0,0,0,0.75); 
}