.mm-menu {
  display: none;
}

.header,
.content,
.footer {
  text-align: center;
}
.header,
.footer {
  background: #000;
  font-size: 16px;
  font-weight: bold;
  color: #fff;
  line-height: 40px;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  width: 100%;
  height: 80px;
  padding: 10px 0px;
  position: relative;
  z-index: 99;
}
.header.fixed {
  position: fixed;
  top: 0;
  left: 0;
}
.footer.fixed {
  position: fixed;
  bottom: 0;
  left: 0;
}
.header a {
  /*background:url(../images/index.png) no-repeat center center;*/
  display: block;
  width: 40px;
  height: 61px;
  position: absolute;
  top: 13px;
  left: 10px;
}
.content {
  padding: 150px 50px 50px 50px;
}