*{
	padding: 0;margin: 0;box-sizing: border-box;
}
 ::-webkit-scrollbar-track-piece {
    background: #d3dce6;
  }

::-webkit-scrollbar {
    width: 6px;
  }

::-webkit-scrollbar-thumb {
 background: #99a9bf;
   border-radius: 20px;
 }