.top_img {
  background: url("../images/header_top.jpg") no-repeat top center;
  height: 80px;
  transition: 0.3s;
  -webkit-transition: 0.3s;
  min-width: 1200px;
}
.top_img .close {
  width: 1200px;
  height: 100%;
  margin: 0 auto;
}
.top_img .close img {
  float: right;
  margin-top: 28px;
  cursor: pointer;
}