*{
  margin: 0 ;
  padding: 0;
  font-family: "Microsoft Yahei";
  font-size: 14px;
}
a{
  text-decoration: none; 
}
li{
  list-style: none;
}

img{
  border: 0;
  vertical-align:middle;
}

input{
  outline-style: none;
  border: 0px;
}
.main{
  min-height: 400px;
  width: 1200px;
  margin: 35px auto 60px;
}
.clearfix:after {
  clear: both;
}
.clearfix:before, .clearfix:after {
  content: '';
  display: table;
}