/* Keep the original transparent PNG intact; frame its built-in clear margins. */
.site-brand{display:flex;align-items:center;justify-content:center;width:400px;height:105px;overflow:hidden;flex-shrink:0;line-height:1}
.site-brand img{display:block;width:440px;max-width:none;height:auto;flex-shrink:0}
footer .site-brand{width:250px;height:70px}
footer .site-brand img{width:270px}
@media(max-width:650px){
  .site-brand{width:290px;max-width:100%;height:80px}
  .site-brand img{width:320px}
  footer .site-brand{width:235px;height:64px}
  footer .site-brand img{width:250px}
  header{flex-wrap:wrap}
}