*,
ul,
li,
p,
div,
html,
body {
  margin: 0;
  padding: 0;
}
html {
  font-size: 16px;
}
a {
  text-decoration: navajowhite;
}
li {
  list-style: none;
}
.clearfix:after {
  content: " ";
  display: block;
  line-height: 0;
  height: 0;
  visibility: hidden;
  clear: both;
}
.content .classify li {
  float: left;
  margin-left: 7px;
  background-color: #fff;
  width: 300px;
  padding: 17px;
  cursor: pointer;
  margin-bottom: 7px;
  border-radius: 5px;
  height: 310px;
  box-sizing: border-box;
}
.content .classify li .head {
  text-align: left;
  color: #222;
  font-size: 18px;
  padding-bottom: 10px;
}
.content .classify li .head img {
  vertical-align: middle;
  margin: 0 5px;
  margin-top: -0.7%;
  width: 20px;
}
.content .classify li .head span {
  color: #999;
  font-size: 12px;
}
.content .classify li img {
  width: 100%;
}