/*css元素初始化*/
body,
h1,
h2,
h3,
h4,
p,
button,
input,
header,
footer,
nav,
section,
ul,
ol,
li{
	margin: 0;
	padding: 0
}

a{
	text-decoration: none;
}

button,
input{
	outline: none;
	border: 0
}

/*清楚浮动*/
.clearfix::after{
	display: block;
	width: 100%;
	height: 0;
	visibility: hidden;
	content: "";
	clear: both;
}

ul {
	list-style: none;
}

/*公共滚动条*/
::-webkit-scrollbar {
    /*滚动条整体样式*/
    width: 8px;
    /*高宽分别对应横竖滚动条的尺寸*/
    height: 1px;
}

::-webkit-scrollbar-thumb {
    /*滚动条里面小方块*/
    border-radius: 10px;
    background-color:
    rgba(0,0,0,0.2);
}

::-webkit-scrollbar-track {
    /*滚动条里面轨道*/
    /* -webkit-box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2); */
    /* border-radius: 10px; */
    background: #f8f8f8;
}