body.login #login h1 a {
  background: none;
  background-position: 50%;
  background-repeat: no-repeat;
  background-size: 100%;
  display: block;
  width: 100%;
  height: auto;
  margin: 0 auto;
  overflow: visible;
  text-indent: 0;
}

body.login #login h1 a img {
  height: auto;
  margin: 0 auto;
  max-height: 100px;
  max-width: 100%;
  width: auto;
}