*{
	margin: 0;
	padding: 0;
}
*::-webkit-scrollbar {
	/*滚动条整体样式*/
	width : 10px;  /*高宽分别对应横竖滚动条的尺寸*/
	height: 10px;
}
*::-webkit-scrollbar-thumb {
/*滚动条里面小方块*/
border-radius   : 10px;
background-color: skyblue;
background-image: -webkit-linear-gradient(
		45deg,
		rgba(255, 255, 255, 0.2) 25%,
		transparent 25%,
		transparent 50%,
		rgba(255, 255, 255, 0.2) 50%,
		rgba(255, 255, 255, 0.2) 75%,
		transparent 75%,
		transparent
);
}
*::-webkit-scrollbar-track {
/*滚动条里面轨道*/
box-shadow   : inset 0 0 5px rgba(0, 0, 0, 0.2);
background   : #ededed;
border-radius: 10px;
}