*,body,ol,ul,h1,h2,h3,h4,h5,h6,p,th,td,dl,dd,form,fieldset,legend,input,textarea,select,div{margin:0;padding:0;box-sizing: border-box;}
html{font-size: 62.5%;}
body,input{font-family:'微软雅黑'!important;}
ul,ol{list-style:none}
a{text-decoration:none;}
a:hover{text-decoration:none}
a:focus{outline: none;}
img{border:0}
.lf{float:left}
.rt{float:right}
.hidden{overflow:hidden}
.none{display:none}
.block{display:block}
.inline{display:inline-block;}
button{cursor:pointer;outline: none;}
body{position:relative}
.clear:after{content:'';display:block;clear:both;}
button{outline:none;}

.center{width:1000px;margin:0 auto;}
h1,h2,h3,h4,h5,h6,p,li,a,span{letter-spacing: 1px;}
.overflow{overflow: hidden;}
/*
html { 
    FILTER: gray; 
    -webkit-filter: grayscale(100%); 
     } */