*{
    margin: 0;
    padding: 0;
}
ul,ol,li{
    list-style: none;
}
a{
   color:#000;
    text-decoration: none;
}
img{
    vertical-align: middle;
}
iframe{
    width: 100%;
}
body{
font: 16px "Microsoft YaHei", Verdana, Arial, sans-serif;
background-color: #f1f1f1;
}