html,body{position: relative;top: 0;left: 0; width: 100%;min-width: 960px;}
*{margin: 0;padding: 0;box-sizing: border-box;font-family: "microsoft yahei";}
li{list-style: none;}
ul{
    -webkit-margin-before: 0;
    -webkit-margin-after: 0;
    -webkit-margin-start: 0px;
    -webkit-margin-end: 0px;
    -webkit-padding-start:0;
}