*{
  margin: 0;
  padding: 0;
}
html {
  font-family: "Microsoft YaHei";
  font-size: 12px;
  color: #111;
}
ul li {
  list-style: none;
}
a {
  text-decoration: none;
  color: #111;
}
.container {
  width: 1200px;
  margin: 0 auto;
}
.clearfix {
  zoom: 1;
}
.clearfix:before{
  content: "";
  display: table;
}
.clearfix:after {
  content: "";
  display: table;
  clear: both;
}
.pull-left {
  float: left !important;
}
.pull-right {
  float: right !important;
}
.center-block {
  display: block;
  margin-left: auto;
  margin-right: auto;
}
.show {
  display: block !important;
}
.hidden {
  display: none !important;
}
.invisible {
  visibility: hidden;
}