css change scroll bar style

The effect is as follows

.comment-list{
    
    
	&::-webkit-scrollbar {
    
    
	  width: 6px;
	}
	&::-webkit-scrollbar-thumb {
    
    
	  border-radius: 10px;
	  box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);
	  background: rgba(128, 128, 134, 0.8);
	}
	&::-webkit-scrollbar-track {
    
    
	  box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);
	  border-radius: 0;
	  background: rgba(0, 0, 0, 0.1);
	}
}