25 CSS Hacks Every Developer Should Know

Custom scrollbars

Problem: styling scro0llbars.

Solution: use `::webkit-scrollbar`.

::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: #f1f1f1;
}
::-webkit-scrollbar-thumb {
  background: #888;
}
::-webkit-scrollbar-thumb:hover {
  background: #555;
}