body,div,dl,dt,dd,ul,ol,li,tr,td,th,
h1,h2,h3,h4,h5,h6,hr,br,img,table,
input,form,a,p,textarea{
    padding:0;
    margin:0;
    font-family: -apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,Source Han Sans SC,Noto Sans CJK SC,WenQuanYi Micro Hei,Helvetica Neue,sans-serif;
    font-family: "微软雅黑";
}
ul,ol,li{
    list-style:none;
}
a{
    outline: none;
    text-decoration:none;
}
a:link{
    text-decoration: none;
}
a:link, a:active, a:visited, a:focus, a:hover{
    outline: none;
    text-decoration: none;
}
/*display设为block设置为块级元素，默认为display:inline;
存在下边线多出4px状况,所以一般设为block*/
img{
    border:0;
    display: inline-block;
}
/*清除浮动破坏带来的塌陷问题*/
/*清除浮动的兼容IE*/
.clearfloat {
	zoom: 1;
}
.clearfloat:after {
	display:block;
	clear:both;
	content:"";
	visibility:hidden;
	height:0;
}
input,button{
    outline: none;
    outline-offset: 0;
}