* {
	margin: 0;
	border: 0;
	padding: 0;
}
/* 滚动条滑块 */
::-webkit-scrollbar {
    width: 4px;
    height: 4px;
    background-color: transparent;
    border-radius: 4px;
}

::-webkit-scrollbar-track {
    background-color: transparent;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: #999;
    border-radius: 4px;
}
/* end 滚动条滑块 */