body { font-family: Arial, sans-serif; margin:0; padding:0; }
header .brand{ position: relative; }
header .brand .brand-logo{
  display:block;
  width: 100vw;
  max-width: 100vw;
  height: auto;
  position: relative;
  left: 50%;
  margin-left: calc(-50vw + 50%);
}
header .brand .lang{
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 5;
}