html,body{
    padding:0;
    background: #fff;
    margin: 0;
    font-family: "", "Helvetica Neue", Helvetica, Arial, sans-serif;
}
*{
    margin: 0;
    padding: 0;
    text-decoration: none;
    list-style: none;
    box-sizing: border-box;
}
.fl{
    float: left;
}
.fr{
    float: right;
}
h1,h2,h3,h4,h5{
    font-weight: normal;
}
.w{
    width: 983px;
    margin: 0 auto;
}
.w2{
    width: 80%;
    margin:0 auto;
}
.clearfix{
    overflow: hidden;
}
.w3{
    width: 80%;
    margin:0 auto;
}
input,button,select,textarea{outline:none}
textarea{resize:none}
.clearfix:before,.clearfix:after{content:" ";display: table;}
.clearfix:after{clear: both;}
.clearfix{zoom:1;}