%main-header-horizontal {
  display: flex;
}
%main-header-horizontal {
  align-items: center;
  height: 48px;
}
%main-header-horizontal::before {
  content: '';
  position: absolute;
  z-index: -1;
  left: 0;
  width: 100vw;
  height: 48px;
}
%main-header-horizontal > a {
  display: block;
  margin-right: 12px;
  line-height: 0;
  font-size: 0;
}