.wp-core-ui #login h1 {
  margin-bottom: 30px;
}

.wp-core-ui #login h1 a {
  display: none;
}

.wp-core-ui #login h1:before {
  content: ' ';
  background-image: url(../../../../wp-content/themes/twentytwentyfour-child/images/optonet-logo-hd.png);
  display: inline-block;
  background-size: cover;
  margin-bottom: -20px;
  width: 320px;
  height: 113px;
}