.container {
		  width: 400px;
		  height: 300px;
		  margin: 20px auto;
		  background-color: none;
		  overflow-y: scroll; /* showing scrollbars */
	}
	
	::-webkit-scrollbar {
		  width: 5px;
	} /* this targets the default scrollbar (compulsory) */
	
	::-webkit-scrollbar-track {
		  background-color: none;
	} /* the new scrollbar will have a flat appearance with the set background color */

	::-webkit-scrollbar-thumb {
		  background-color: rgba(0, 0, 0, 0.2); 
	} /* this will style the thumb, ignoring the track */

	::-webkit-scrollbar-button {
		  background-color: none;
	} /* optionally, you can style the top and the bottom buttons (left and right for horizontal bars) */

	::-webkit-scrollbar-corner {
		  background-color: none;
	} /* if both the vertical and the horizontal bars appear, then perhaps the right bottom corner also needs to be styled */