.m-detail-header {
  border-bottom: 1px solid #ddd;
  display: -webkit-box;
  display: -moz-box;
  display: -webkit-flex;
  display: flex;
  height: 3rem;
  line-height: 3rem;
  padding: 0 0.625rem;
  background-color: #fff;
}
.m-detail-header div.back {
  -webkit-box-flex: 1;
  -moz-box-flex: 1;
  -webkit-flex: 1;
  flex: 1;
}
.m-detail-header div.back .pagename {
  font-size: 1rem;
  padding: 0 0.625rem;
  color: #333;
}
.m-detail-header div.more {
  text-align: right;
}
.m-detail-header div.cart {
  text-align: right;
}
.m-detail-header div.cart a {
  vertical-align: middle;
  background-image: url('https://cbu01.alicdn.com/cms/upload/2017/514/706/3607415_1799326236.png');
  background-repeat: no-repeat;
  background-size: 1.375rem auto;
  background-position: 0 -59px;
  height: 1.5rem;
  width: 1.375rem;
  display: inline-block;
}